89899902 has 32 divisors (see below), whose sum is σ = 201657600. Its totient is φ = 29684664.

The previous prime is 89899897. The next prime is 89899933. The reversal of 89899902 is 20999898.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2002 + ... + 13557.

It is an arithmetic number, because the mean of its divisors is an integer number (6301800).

Almost surely, 2^89899902 is an apocalyptic number.

89899902 is an abundant number, since it is smaller than the sum of its proper divisors (111757698).

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

89899902 is a wasteful number, since it uses less digits than its factorization.

89899902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15677 (or 15671 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The square root of 89899902 is about 9481.5558849801. Note that the first 3 decimals coincide. The cubic root of 89899902 is about 447.9742724118.

The spelling of 89899902 in words is "eighty-nine million, eight hundred ninety-nine thousand, nine hundred two".