89001256660 has 24 divisors (see below), whose sum is σ = 187613306496. Its totient is φ = 35465137440.

The previous prime is 89001256657. The next prime is 89001256693. The reversal of 89001256660 is 6665210098.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8454936 + ... + 8465455.

It is an arithmetic number, because the mean of its divisors is an integer number (7817221104).

Almost surely, 2^89001256660 is an apocalyptic number.

It is an amenable number.

89001256660 is an abundant number, since it is smaller than the sum of its proper divisors (98612049836).

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

89001256660 is a wasteful number, since it uses less digits than its factorization.

89001256660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16920663 (or 16920661 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 89001256660 in words is "eighty-nine billion, one million, two hundred fifty-six thousand, six hundred sixty".