9850867488 has 540 divisors, whose sum is σ = 37101156246. Its totient is φ = 2554675200.

The previous prime is 9850867487. The next prime is 9850867511. The reversal of 9850867488 is 8847680589.

9850867488 is a `hidden beast` number, since 98 + 5 + 0 + 8 + 67 + 488 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6462230544 + 3388636944 = 80388^2 + 58212^2 .

It is a super-2 number, since 2×9850867488² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9850867487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 15367648 + ... + 15368288.

Almost surely, 2^9850867488 is an apocalyptic number.

9850867488 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9850867488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18550578123).

9850867488 is an abundant number, since it is smaller than the sum of its proper divisors (27250288758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9850867488 is a wasteful number, since it uses less digits than its factorization.

9850867488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The square root of 9850867488 is about 99251.5364515835. The cubic root of 9850867488 is about 2143.6711295709.

The spelling of 9850867488 in words is "nine billion, eight hundred fifty million, eight hundred sixty-seven thousand, four hundred eighty-eight".