89117330831 has 4 divisors (see below), whose sum is σ = 89122193352. Its totient is φ = 89112468312.

The previous prime is 89117330773. The next prime is 89117330843. The reversal of 89117330831 is 13803371198.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89117330831 - 2⁶ = 89117330767 is a prime.

It is a super-2 number, since 2×89117330831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89117330851) 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 3 ways as a sum of consecutive naturals, for example, 2403665 + ... + 2440458.

It is an arithmetic number, because the mean of its divisors is an integer number (22280548338).

Almost surely, 2^89117330831 is an apocalyptic number.

89117330831 is a deficient number, since it is larger than the sum of its proper divisors (4862521).

89117330831 is a wasteful number, since it uses less digits than its factorization.

89117330831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862520.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 89117330831 in words is "eighty-nine billion, one hundred seventeen million, three hundred thirty thousand, eight hundred thirty-one".