89798957892 has 72 divisors (see below), whose sum is σ = 260777567232. Its totient is φ = 25522502400.

The previous prime is 89798957869. The next prime is 89798957909. The reversal of 89798957892 is 29875989798.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 884709 + ... + 980972.

It is an arithmetic number, because the mean of its divisors is an integer number (3621910656).

Almost surely, 2^89798957892 is an apocalyptic number.

It is an amenable number.

89798957892 is an abundant number, since it is smaller than the sum of its proper divisors (170978609340).

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

89798957892 is a wasteful number, since it uses less digits than its factorization.

89798957892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865889 (or 1865884 counting only the distinct ones).

The product of its digits is 1646023680, while the sum is 81.

The spelling of 89798957892 in words is "eighty-nine billion, seven hundred ninety-eight million, nine hundred fifty-seven thousand, eight hundred ninety-two".