89976979250 has 32 divisors (see below), whose sum is σ = 172989271728. Its totient is φ = 35018064000.

The previous prime is 89976979247. The next prime is 89976979277. The reversal of 89976979250 is 5297967998.

It can be written as a sum of positive squares in 8 ways, for example, as 24394378969 + 65582600281 = 156187^2 + 256091^2 .

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, 4854371 + ... + 4872870.

Almost surely, 2^89976979250 is an apocalyptic number.

89976979250 is a deficient number, since it is larger than the sum of its proper divisors (83012292478).

89976979250 is a wasteful number, since it uses less digits than its factorization.

89976979250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727295 (or 9727285 counting only the distinct ones).

The product of its (nonzero) digits is 154314720, while the sum is 71.

The spelling of 89976979250 in words is "eighty-nine billion, nine hundred seventy-six million, nine hundred seventy-nine thousand, two hundred fifty".