8689993488 has 180 divisors, whose sum is σ = 26851812624. Its totient is φ = 2621520000.

The previous prime is 8689993483. The next prime is 8689993531. The reversal of 8689993488 is 8843999868.

It is a super-2 number, since 2×8689993488² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (8689993483) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4372431 + ... + 4374417.

Almost surely, 2^8689993488 is an apocalyptic number.

8689993488 is a gapful number since it is divisible by the number (88) 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 8689993488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13425906312).

8689993488 is an abundant number, since it is smaller than the sum of its proper divisors (18161819136).

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

8689993488 is a wasteful number, since it uses less digits than its factorization.

8689993488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274 (or 2254 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 72.

The square root of 8689993488 is about 93220.1345633013. The cubic root of 8689993488 is about 2055.9212890073.

The spelling of 8689993488 in words is "eight billion, six hundred eighty-nine million, nine hundred ninety-three thousand, four hundred eighty-eight".