89239977 has 24 divisors (see below), whose sum is σ = 134918784. Its totient is φ = 56732544.

The previous prime is 89239973. The next prime is 89239993. The reversal of 89239977 is 77993298.

It is not a de Polignac number, because 89239977 - 2² = 89239973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89239973) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 122388 + ... + 123114.

It is an arithmetic number, because the mean of its divisors is an integer number (5621616).

Almost surely, 2^89239977 is an apocalyptic number.

It is an amenable number.

89239977 is a deficient number, since it is larger than the sum of its proper divisors (45678807).

89239977 is a wasteful number, since it uses less digits than its factorization.

89239977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1346 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 89239977 is about 9446.6913255383. The cubic root of 89239977 is about 446.8754363665.

The spelling of 89239977 in words is "eighty-nine million, two hundred thirty-nine thousand, nine hundred seventy-seven".