89797789808 has 20 divisors (see below), whose sum is σ = 174549947880. Its totient is φ = 44752641984.

The previous prime is 89797789787. The next prime is 89797789847. The reversal of 89797789808 is 80898779798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9135743 + ... + 9145566.

It is an arithmetic number, because the mean of its divisors is an integer number (8727497394).

Almost surely, 2^89797789808 is an apocalyptic number.

It is an amenable number.

89797789808 is a deficient number, since it is larger than the sum of its proper divisors (84752158072).

89797789808 is a wasteful number, since it uses less digits than its factorization.

89797789808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18281624 (or 18281618 counting only the distinct ones).

The product of its (nonzero) digits is 1024192512, while the sum is 80.

The spelling of 89797789808 in words is "eighty-nine billion, seven hundred ninety-seven million, seven hundred eighty-nine thousand, eight hundred eight".