89805700992 has 96 divisors (see below), whose sum is σ = 277492801320. Its totient is φ = 25658766336.

The previous prime is 89805700987. The next prime is 89805700997. The reversal of 89805700992 is 29900750898.

It is an interprime number because it is at equal distance from previous prime (89805700987) and next prime (89805700997).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89805700997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2367603 + ... + 2405234.

Almost surely, 2^89805700992 is an apocalyptic number.

It is an amenable number.

89805700992 is an abundant number, since it is smaller than the sum of its proper divisors (187687100328).

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

89805700992 is a wasteful number, since it uses less digits than its factorization.

89805700992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772868 (or 4772849 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 89805700992 in words is "eighty-nine billion, eight hundred five million, seven hundred thousand, nine hundred ninety-two".