89099880 has 32 divisors (see below), whose sum is σ = 267300000. Its totient is φ = 23759936.

The previous prime is 89099831. The next prime is 89099897. The reversal of 89099880 is 8899098.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371130 + ... + 371369.

It is an arithmetic number, because the mean of its divisors is an integer number (8353125).

Almost surely, 2^89099880 is an apocalyptic number.

It is an amenable number.

89099880 is an abundant number, since it is smaller than the sum of its proper divisors (178200120).

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

89099880 is a wasteful number, since it uses less digits than its factorization.

89099880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742513 (or 742509 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 51.

The square root of 89099880 is about 9439.2732771120. The cubic root of 89099880 is about 446.6414653735.

The spelling of 89099880 in words is "eighty-nine million, ninety-nine thousand, eight hundred eighty".