90977920116 has 48 divisors (see below), whose sum is σ = 217100943360. Its totient is φ = 29639327200.

The previous prime is 90977920097. The next prime is 90977920177. The reversal of 90977920116 is 61102977909.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 293341 + ... + 517691.

It is an arithmetic number, because the mean of its divisors is an integer number (4522936320).

Almost surely, 2^90977920116 is an apocalyptic number.

It is an amenable number.

90977920116 is an abundant number, since it is smaller than the sum of its proper divisors (126123023244).

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

90977920116 is a wasteful number, since it uses less digits than its factorization.

90977920116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225124 (or 225122 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 51.

The spelling of 90977920116 in words is "ninety billion, nine hundred seventy-seven million, nine hundred twenty thousand, one hundred sixteen".