89977000 has 32 divisors (see below), whose sum is σ = 210548520. Its totient is φ = 35990400.

The previous prime is 89976983. The next prime is 89977021. The reversal of 89977000 is 77998.

It can be written as a sum of positive squares in 4 ways, for example, as 53904964 + 36072036 = 7342^2 + 6006^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43989 + ... + 45988.

Almost surely, 2^89977000 is an apocalyptic number.

It is an amenable number.

89977000 is an abundant number, since it is smaller than the sum of its proper divisors (120571520).

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

89977000 is a wasteful number, since it uses less digits than its factorization.

89977000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89998 (or 89984 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 89977000 is about 9485.6206966123. The cubic root of 89977000 is about 448.1022964740.

The spelling of 89977000 in words is "eighty-nine million, nine hundred seventy-seven thousand".