89938636158 has 32 divisors (see below), whose sum is σ = 208050829056. Its totient is φ = 25387152768.

The previous prime is 89938636133. The next prime is 89938636163. The reversal of 89938636158 is 85163683998.

It is a super-2 number, since 2×89938636158² (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 15 ways as a sum of consecutive naturals, for example, 12896491 + ... + 12903462.

It is an arithmetic number, because the mean of its divisors is an integer number (6501588408).

Almost surely, 2^89938636158 is an apocalyptic number.

89938636158 is an abundant number, since it is smaller than the sum of its proper divisors (118112192898).

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

89938636158 is a wasteful number, since it uses less digits than its factorization.

89938636158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25800048.

The product of its digits is 67184640, while the sum is 66.

The spelling of 89938636158 in words is "eighty-nine billion, nine hundred thirty-eight million, six hundred thirty-six thousand, one hundred fifty-eight".