89542840158 has 24 divisors (see below), whose sum is σ = 194143620528. Its totient is φ = 29826977472.

The previous prime is 89542840139. The next prime is 89542840213. The reversal of 89542840158 is 85104824598.

89542840158 is a `hidden beast` number, since 8 + 9 + 542 + 8 + 40 + 1 + 58 = 666.

It is a super-2 number, since 2×89542840158² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1692891 + ... + 1744982.

It is an arithmetic number, because the mean of its divisors is an integer number (8089317522).

Almost surely, 2^89542840158 is an apocalyptic number.

89542840158 is an abundant number, since it is smaller than the sum of its proper divisors (104600780370).

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

89542840158 is a wasteful number, since it uses less digits than its factorization.

89542840158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439328 (or 3439325 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The spelling of 89542840158 in words is "eighty-nine billion, five hundred forty-two million, eight hundred forty thousand, one hundred fifty-eight".