89931163 has 32 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 71715840.

The previous prime is 89931119. The next prime is 89931169. The reversal of 89931163 is 36113998.

It is not a de Polignac number, because 89931163 - 2⁹ = 89930651 is a prime.

It is a super-2 number, since 2×89931163² = 16175228157065138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89931169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795795 + ... + 795907.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^89931163 is an apocalyptic number.

89931163 is a deficient number, since it is larger than the sum of its proper divisors (20384357).

89931163 is a wasteful number, since it uses less digits than its factorization.

89931163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its digits is 34992, while the sum is 40.

The square root of 89931163 is about 9483.2042580554. The cubic root of 89931163 is about 448.0261912701.

The spelling of 89931163 in words is "eighty-nine million, nine hundred thirty-one thousand, one hundred sixty-three".