89399992320 has 336 divisors, whose sum is σ = 319938757632. Its totient is φ = 23068016640.

The previous prime is 89399992261. The next prime is 89399992369. The reversal of 89399992320 is 2329999398.

89399992320 is a `hidden beast` number, since 8 + 9 + 399 + 9 + 9 + 232 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11423929 + ... + 11431751.

Almost surely, 2^89399992320 is an apocalyptic number.

89399992320 is a gapful number since it is divisible by the number (80) 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 89399992320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159969378816).

89399992320 is an abundant number, since it is smaller than the sum of its proper divisors (230538765312).

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

89399992320 is a wasteful number, since it uses less digits than its factorization.

89399992320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891 (or 7864 counting only the distinct ones).

The product of its (nonzero) digits is 17006112, while the sum is 63.

The spelling of 89399992320 in words is "eighty-nine billion, three hundred ninety-nine million, nine hundred ninety-two thousand, three hundred twenty".