89479068956 has 12 divisors (see below), whose sum is σ = 160407599520. Its totient is φ = 43648326240.

The previous prime is 89479068947. The next prime is 89479068961. The reversal of 89479068956 is 65986097498.

It is a self number, because there is not a number n which added to its sum of digits gives 89479068956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272801876 + ... + 272802203.

It is an arithmetic number, because the mean of its divisors is an integer number (13367299960).

Almost surely, 2^89479068956 is an apocalyptic number.

It is an amenable number.

89479068956 is a deficient number, since it is larger than the sum of its proper divisors (70928530564).

89479068956 is a wasteful number, since it uses less digits than its factorization.

89479068956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545604124 (or 545604122 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 71.

The spelling of 89479068956 in words is "eighty-nine billion, four hundred seventy-nine million, sixty-eight thousand, nine hundred fifty-six".