89418279956 has 48 divisors (see below), whose sum is σ = 163684962000. Its totient is φ = 42687332352.

The previous prime is 89418279941. The next prime is 89418279983. The reversal of 89418279956 is 65997281498.

It can be written as a sum of positive squares in 8 ways, for example, as 435389956 + 88982890000 = 20866^2 + 298300^2 .

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, 5877896 + ... + 5893088.

It is an arithmetic number, because the mean of its divisors is an integer number (3410103375).

Almost surely, 2^89418279956 is an apocalyptic number.

It is an amenable number.

89418279956 is a deficient number, since it is larger than the sum of its proper divisors (74266682044).

89418279956 is a wasteful number, since it uses less digits than its factorization.

89418279956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15788 (or 15786 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 68.

The spelling of 89418279956 in words is "eighty-nine billion, four hundred eighteen million, two hundred seventy-nine thousand, nine hundred fifty-six".