89688816080 has 40 divisors (see below), whose sum is σ = 210591135144. Its totient is φ = 35520320000.

The previous prime is 89688816073. The next prime is 89688816097. The reversal of 89688816080 is 8061888698.

It can be written as a sum of positive squares in 4 ways, for example, as 40960902544 + 48727913536 = 202388^2 + 220744^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5541971 + ... + 5558130.

Almost surely, 2^89688816080 is an apocalyptic number.

89688816080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89688816080 is an abundant number, since it is smaller than the sum of its proper divisors (120902319064).

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

89688816080 is a wasteful number, since it uses less digits than its factorization.

89688816080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100215 (or 11100209 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 62.

The spelling of 89688816080 in words is "eighty-nine billion, six hundred eighty-eight million, eight hundred sixteen thousand, eighty".