89792091520 has 32 divisors (see below), whose sum is σ = 214659220320. Its totient is φ = 35916836352.

The previous prime is 89792091497. The next prime is 89792091553. The reversal of 89792091520 is 2519029798.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70149432 + ... + 70150711.

It is an arithmetic number, because the mean of its divisors is an integer number (6708100635).

Almost surely, 2^89792091520 is an apocalyptic number.

89792091520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89792091520 is an abundant number, since it is smaller than the sum of its proper divisors (124867128800).

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

89792091520 is a wasteful number, since it uses less digits than its factorization.

89792091520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140300162 (or 140300150 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 89792091520 in words is "eighty-nine billion, seven hundred ninety-two million, ninety-one thousand, five hundred twenty".