89608564680 has 64 divisors (see below), whose sum is σ = 284638976640. Its totient is φ = 22489992192.

The previous prime is 89608564679. The next prime is 89608564681. The reversal of 89608564680 is 8646580698.

It is an interprime number because it is at equal distance from previous prime (89608564679) and next prime (89608564681).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (89608564681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21960844 + ... + 21964923.

It is an arithmetic number, because the mean of its divisors is an integer number (4447484010).

Almost surely, 2^89608564680 is an apocalyptic number.

It is an amenable number.

89608564680 is an abundant number, since it is smaller than the sum of its proper divisors (195030411960).

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

89608564680 is a wasteful number, since it uses less digits than its factorization.

89608564680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43925798 (or 43925794 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 89608564680 in words is "eighty-nine billion, six hundred eight million, five hundred sixty-four thousand, six hundred eighty".