89065977 has 96 divisors (see below), whose sum is σ = 171601920. Its totient is φ = 40279680.

The previous prime is 89065973. The next prime is 89065997. The reversal of 89065977 is 77956098.

It is not a de Polignac number, because 89065977 - 2² = 89065973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89065973) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 399288 + ... + 399510.

It is an arithmetic number, because the mean of its divisors is an integer number (1787520).

Almost surely, 2^89065977 is an apocalyptic number.

It is an amenable number.

89065977 is a deficient number, since it is larger than the sum of its proper divisors (82535943).

89065977 is a wasteful number, since it uses less digits than its factorization.

89065977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 89065977 is about 9437.4772582507. The cubic root of 89065977 is about 446.5848083327.

The spelling of 89065977 in words is "eighty-nine million, sixty-five thousand, nine hundred seventy-seven".