89717816364 has 96 divisors (see below), whose sum is σ = 234382450176. Its totient is φ = 26479265280.

The previous prime is 89717816351. The next prime is 89717816369. The reversal of 89717816364 is 46361871798.

It is a junction number, because it is equal to n+sod(n) for n = 89717816298 and 89717816307.

It is not an unprimeable number, because it can be changed into a prime (89717816369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911649 + ... + 1005255.

It is an arithmetic number, because the mean of its divisors is an integer number (2441483856).

Almost surely, 2^89717816364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89717816364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117191225088).

89717816364 is an abundant number, since it is smaller than the sum of its proper divisors (144664633812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89717816364 is a wasteful number, since it uses less digits than its factorization.

89717816364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93815 (or 93813 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The spelling of 89717816364 in words is "eighty-nine billion, seven hundred seventeen million, eight hundred sixteen thousand, three hundred sixty-four".