89976161 has 16 divisors (see below), whose sum is σ = 102936960. Its totient is φ = 77848320.

The previous prime is 89976113. The next prime is 89976199. The reversal of 89976161 is 16167998.

It is a de Polignac number, because none of the positive numbers 2^k-89976161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89979161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57161 + ... + 58713.

It is an arithmetic number, because the mean of its divisors is an integer number (6433560).

Almost surely, 2^89976161 is an apocalyptic number.

It is an amenable number.

89976161 is a deficient number, since it is larger than the sum of its proper divisors (12960799).

89976161 is a wasteful number, since it uses less digits than its factorization.

89976161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its digits is 163296, while the sum is 47.

The square root of 89976161 is about 9485.5764716753. The cubic root of 89976161 is about 448.1009036773.

The spelling of 89976161 in words is "eighty-nine million, nine hundred seventy-six thousand, one hundred sixty-one".