89564575131 has 6 divisors (see below), whose sum is σ = 129371052980. Its totient is φ = 59709716748.

The previous prime is 89564575129. The next prime is 89564575147. The reversal of 89564575131 is 13157546598.

89564575131 is a `hidden beast` number, since 8 + 9 + 5 + 64 + 575 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 89564575131 - 2¹ = 89564575129 is a prime.

It is a super-2 number, since 2×89564575131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89564570131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4975809721 + ... + 4975809738.

Almost surely, 2^89564575131 is an apocalyptic number.

89564575131 is a deficient number, since it is larger than the sum of its proper divisors (39806477849).

89564575131 is a wasteful number, since it uses less digits than its factorization.

89564575131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9951619465 (or 9951619462 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The spelling of 89564575131 in words is "eighty-nine billion, five hundred sixty-four million, five hundred seventy-five thousand, one hundred thirty-one".