89709659816 has 48 divisors (see below), whose sum is σ = 204175067040. Its totient is φ = 36775384800.

The previous prime is 89709659807. The next prime is 89709659843. The reversal of 89709659816 is 61895690798.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4966010 + ... + 4984041.

It is an arithmetic number, because the mean of its divisors is an integer number (4253647230).

Almost surely, 2^89709659816 is an apocalyptic number.

It is an amenable number.

89709659816 is an abundant number, since it is smaller than the sum of its proper divisors (114465407224).

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

89709659816 is a wasteful number, since it uses less digits than its factorization.

89709659816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950094 (or 9950083 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 68.

The spelling of 89709659816 in words is "eighty-nine billion, seven hundred nine million, six hundred fifty-nine thousand, eight hundred sixteen".