89164959 has 16 divisors (see below), whose sum is σ = 132163584. Its totient is φ = 53100000.

The previous prime is 89164913. The next prime is 89164973. The reversal of 89164959 is 95946198.

It is not a de Polignac number, because 89164959 - 2⁸ = 89164703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89164909) 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 15 ways as a sum of consecutive naturals, for example, 35667 + ... + 38084.

It is an arithmetic number, because the mean of its divisors is an integer number (8260224).

Almost surely, 2^89164959 is an apocalyptic number.

89164959 is a deficient number, since it is larger than the sum of its proper divisors (42998625).

89164959 is a wasteful number, since it uses less digits than its factorization.

89164959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73798.

The product of its digits is 699840, while the sum is 51.

The square root of 89164959 is about 9442.7198941830. The cubic root of 89164959 is about 446.7501819655.

The spelling of 89164959 in words is "eighty-nine million, one hundred sixty-four thousand, nine hundred fifty-nine".