89865707700 has 144 divisors (see below), whose sum is σ = 276250443840. Its totient is φ = 22477178880.

The previous prime is 89865707681. The next prime is 89865707741. The reversal of 89865707700 is 770756898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1464231 + ... + 1524369.

It is an arithmetic number, because the mean of its divisors is an integer number (1918405860).

Almost surely, 2^89865707700 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 89865707700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138125221920).

89865707700 is an abundant number, since it is smaller than the sum of its proper divisors (186384736140).

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

89865707700 is a wasteful number, since it uses less digits than its factorization.

89865707700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60466 (or 60459 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 89865707700 in words is "eighty-nine billion, eight hundred sixty-five million, seven hundred seven thousand, seven hundred".