89172154032 has 160 divisors (see below), whose sum is σ = 255687801600. Its totient is φ = 26605587456.

The previous prime is 89172154013. The next prime is 89172154063. The reversal of 89172154032 is 23045127198.

It is a super-3 number, since 3×89172154032³ (a number of 34 digits) contains 333 as substring.

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, 3717694 + ... + 3741602.

It is an arithmetic number, because the mean of its divisors is an integer number (1598048760).

Almost surely, 2^89172154032 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 89172154032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127843900800).

89172154032 is an abundant number, since it is smaller than the sum of its proper divisors (166515647568).

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

89172154032 is a wasteful number, since it uses less digits than its factorization.

89172154032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24115 (or 24109 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 89172154032 in words is "eighty-nine billion, one hundred seventy-two million, one hundred fifty-four thousand, thirty-two".