89985798720 has 112 divisors (see below), whose sum is σ = 317449931520. Its totient is φ = 23996210688.

The previous prime is 89985798719. The next prime is 89985798767. The reversal of 89985798720 is 2789758998.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5198872 + ... + 5216151.

Almost surely, 2^89985798720 is an apocalyptic number.

89985798720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89985798720 is an abundant number, since it is smaller than the sum of its proper divisors (227464132800).

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

89985798720 is a wasteful number, since it uses less digits than its factorization.

89985798720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415049 (or 10415033 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 72.

The spelling of 89985798720 in words is "eighty-nine billion, nine hundred eighty-five million, seven hundred ninety-eight thousand, seven hundred twenty".