80913792 has 32 divisors (see below), whose sum is σ = 214928280. Its totient is φ = 26971136.

The previous prime is 80913779. The next prime is 80913809. The reversal of 80913792 is 29731908.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80913792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104973 + ... + 105740.

Almost surely, 2^80913792 is an apocalyptic number.

It is an amenable number.

80913792 is an abundant number, since it is smaller than the sum of its proper divisors (134014488).

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

80913792 is a wasteful number, since it uses less digits than its factorization.

80913792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210730 (or 210718 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 80913792 is about 8995.2093916707. The cubic root of 80913792 is about 432.5213185166.

The spelling of 80913792 in words is "eighty million, nine hundred thirteen thousand, seven hundred ninety-two".