89646672131 has 16 divisors (see below), whose sum is σ = 94644002880. Its totient is φ = 84741972480.

The previous prime is 89646672103. The next prime is 89646672149. The reversal of 89646672131 is 13127664698.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89646672131 is a prime.

It is a super-2 number, since 2×89646672131² (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 (89646672151) 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, 4397021 + ... + 4417361.

It is an arithmetic number, because the mean of its divisors is an integer number (5915250180).

Almost surely, 2^89646672131 is an apocalyptic number.

89646672131 is a deficient number, since it is larger than the sum of its proper divisors (4997330749).

89646672131 is a wasteful number, since it uses less digits than its factorization.

89646672131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22606.

The product of its digits is 2612736, while the sum is 53.

The spelling of 89646672131 in words is "eighty-nine billion, six hundred forty-six million, six hundred seventy-two thousand, one hundred thirty-one".