69888489120 has 192 divisors, whose sum is σ = 245893294080. Its totient is φ = 18539136000.

The previous prime is 69888489113. The next prime is 69888489169. The reversal of 69888489120 is 2198488896.

69888489120 is a `hidden beast` number, since 69 + 8 + 88 + 489 + 12 + 0 = 666.

It is a super-2 number, since 2×69888489120² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782770 + ... + 867470.

It is an arithmetic number, because the mean of its divisors is an integer number (1280694240).

Almost surely, 2^69888489120 is an apocalyptic number.

69888489120 is a gapful number since it is divisible by the number (60) 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 69888489120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122946647040).

69888489120 is an abundant number, since it is smaller than the sum of its proper divisors (176004804960).

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

69888489120 is a wasteful number, since it uses less digits than its factorization.

69888489120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84916 (or 84902 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 63.

The spelling of 69888489120 in words is "sixty-nine billion, eight hundred eighty-eight million, four hundred eighty-nine thousand, one hundred twenty".