89757536820 has 48 divisors (see below), whose sum is σ = 287224119168. Its totient is φ = 20516008320.

The previous prime is 89757536767. The next prime is 89757536821. The reversal of 89757536820 is 2863575798.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89757536821) 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, 106853791 + ... + 106854630.

It is an arithmetic number, because the mean of its divisors is an integer number (5983835816).

Almost surely, 2^89757536820 is an apocalyptic number.

It is an amenable number.

89757536820 is an abundant number, since it is smaller than the sum of its proper divisors (197466582348).

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

89757536820 is a wasteful number, since it uses less digits than its factorization.

89757536820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213708440 (or 213708438 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 89757536820 in words is "eighty-nine billion, seven hundred fifty-seven million, five hundred thirty-six thousand, eight hundred twenty".