89761131 has 12 divisors (see below), whose sum is σ = 130075920. Its totient is φ = 59646480.

The previous prime is 89761127. The next prime is 89761141. The reversal of 89761131 is 13116798.

89761131 is a `hidden beast` number, since 8 + 9 + 7 + 611 + 31 = 666.

It is not a de Polignac number, because 89761131 - 2² = 89761127 is a prime.

It is a super-2 number, since 2×89761131² = 16114121276798322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89761121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13236 + ... + 18833.

It is an arithmetic number, because the mean of its divisors is an integer number (10839660).

Almost surely, 2^89761131 is an apocalyptic number.

89761131 is a deficient number, since it is larger than the sum of its proper divisors (40314789).

89761131 is a wasteful number, since it uses less digits than its factorization.

89761131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32386 (or 32383 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 89761131 is about 9474.2351142454. The cubic root of 89761131 is about 447.7436535028.

The spelling of 89761131 in words is "eighty-nine million, seven hundred sixty-one thousand, one hundred thirty-one".