89992902768 has 80 divisors (see below), whose sum is σ = 242056403232. Its totient is φ = 28786176000.

The previous prime is 89992902763. The next prime is 89992902781. The reversal of 89992902768 is 86720929998.

It is a super-2 number, since 2×89992902768² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89992902761) 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, 254773 + ... + 494868.

Almost surely, 2^89992902768 is an apocalyptic number.

It is an amenable number.

89992902768 is an abundant number, since it is smaller than the sum of its proper divisors (152063500464).

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

89992902768 is a wasteful number, since it uses less digits than its factorization.

89992902768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749754 (or 749748 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 69.

The spelling of 89992902768 in words is "eighty-nine billion, nine hundred ninety-two million, nine hundred two thousand, seven hundred sixty-eight".