80499712 has 44 divisors (see below), whose sum is σ = 162449920. Its totient is φ = 39868416.

The previous prime is 80499707. The next prime is 80499781. The reversal of 80499712 is 21799408.

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, 129739 + ... + 130357.

Almost surely, 2^80499712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80499712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81224960).

80499712 is an abundant number, since it is smaller than the sum of its proper divisors (81950208).

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

80499712 is a wasteful number, since it uses less digits than its factorization.

80499712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 80499712 is about 8972.1631728363. The cubic root of 80499712 is about 431.7822405033.

The spelling of 80499712 in words is "eighty million, four hundred ninety-nine thousand, seven hundred twelve".