89814187164 has 96 divisors (see below), whose sum is σ = 236787066880. Its totient is φ = 26305171200.

The previous prime is 89814187159. The next prime is 89814187201. The reversal of 89814187164 is 46178141898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142767 + ... + 447225.

Almost surely, 2^89814187164 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 89814187164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118393533440).

89814187164 is an abundant number, since it is smaller than the sum of its proper divisors (146972879716).

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

89814187164 is a wasteful number, since it uses less digits than its factorization.

89814187164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304571 (or 304569 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 57.

The spelling of 89814187164 in words is "eighty-nine billion, eight hundred fourteen million, one hundred eighty-seven thousand, one hundred sixty-four".