89902788 has 24 divisors (see below), whose sum is σ = 210043008. Its totient is φ = 29929056.

The previous prime is 89902781. The next prime is 89902789. The reversal of 89902788 is 88720998.

89902788 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×89902788² = 16165022580345888, which contains 22 as substring.

89902788 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 89902788.

It is not an unprimeable number, because it can be changed into a prime (89902781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5845 + ... + 14627.

It is an arithmetic number, because the mean of its divisors is an integer number (8751792).

Almost surely, 2^89902788 is an apocalyptic number.

It is an amenable number.

89902788 is an abundant number, since it is smaller than the sum of its proper divisors (120140220).

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

89902788 is a wasteful number, since it uses less digits than its factorization.

89902788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9643 (or 9641 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 89902788 is about 9481.7080739706. The cubic root of 89902788 is about 447.9790660393.

The spelling of 89902788 in words is "eighty-nine million, nine hundred two thousand, seven hundred eighty-eight".