89516621331 has 12 divisors (see below), whose sum is σ = 130938518880. Its totient is φ = 58922332560.

The previous prime is 89516621323. The next prime is 89516621339. The reversal of 89516621331 is 13312661598.

89516621331 is a `hidden beast` number, since 8 + 9 + 5 + 16 + 621 + 3 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (89516621323) and next prime (89516621339).

It is not a de Polignac number, because 89516621331 - 2³ = 89516621323 is a prime.

It is a super-2 number, since 2×89516621331² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (89516621339) 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, 62950500 + ... + 62951921.

It is an arithmetic number, because the mean of its divisors is an integer number (10911543240).

Almost surely, 2^89516621331 is an apocalyptic number.

89516621331 is a deficient number, since it is larger than the sum of its proper divisors (41421897549).

89516621331 is a wasteful number, since it uses less digits than its factorization.

89516621331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125902506 (or 125902503 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 89516621331 in words is "eighty-nine billion, five hundred sixteen million, six hundred twenty-one thousand, three hundred thirty-one".