89736368840 has 16 divisors (see below), whose sum is σ = 201906829980. Its totient is φ = 35894547520.

The previous prime is 89736368833. The next prime is 89736368881. The reversal of 89736368840 is 4886363798.

It can be written as a sum of positive squares in 2 ways, for example, as 80993744836 + 8742624004 = 284594^2 + 93502^2 .

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, 1121704571 + ... + 1121704650.

Almost surely, 2^89736368840 is an apocalyptic number.

It is an amenable number.

89736368840 is an abundant number, since it is smaller than the sum of its proper divisors (112170461140).

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

89736368840 is a wasteful number, since it uses less digits than its factorization.

89736368840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243409232 (or 2243409228 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 89736368840 in words is "eighty-nine billion, seven hundred thirty-six million, three hundred sixty-eight thousand, eight hundred forty".