89757489960 has 160 divisors (see below), whose sum is σ = 301888049760. Its totient is φ = 23919214464.

The previous prime is 89757489917. The next prime is 89757489973. The reversal of 89757489960 is 6998475798.

89757489960 is a `hidden beast` number, since 8 + 9 + 7 + 57 + 489 + 96 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5262967 + ... + 5279993.

It is an arithmetic number, because the mean of its divisors is an integer number (1886800311).

Almost surely, 2^89757489960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89757489960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150944024880).

89757489960 is an abundant number, since it is smaller than the sum of its proper divisors (212130559800).

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

89757489960 is a wasteful number, since it uses less digits than its factorization.

89757489960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677 (or 18664 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 89757489960 in words is "eighty-nine billion, seven hundred fifty-seven million, four hundred eighty-nine thousand, nine hundred sixty".