89715993552 has 80 divisors (see below), whose sum is σ = 260777952000. Its totient is φ = 29526771456.

The previous prime is 89715993551. The next prime is 89715993559. The reversal of 89715993552 is 25539951798.

89715993552 is a `hidden beast` number, since 8 + 9 + 7 + 1 + 599 + 35 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 89715993552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89715993551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280277 + ... + 1348532.

It is an arithmetic number, because the mean of its divisors is an integer number (3259724400).

Almost surely, 2^89715993552 is an apocalyptic number.

It is an amenable number.

89715993552 is an abundant number, since it is smaller than the sum of its proper divisors (171061958448).

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

89715993552 is a wasteful number, since it uses less digits than its factorization.

89715993552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628905 (or 2628893 counting only the distinct ones).

The product of its digits is 30618000, while the sum is 63.

The spelling of 89715993552 in words is "eighty-nine billion, seven hundred fifteen million, nine hundred ninety-three thousand, five hundred fifty-two".