80679700 has 36 divisors (see below), whose sum is σ = 184293760. Its totient is φ = 30572640.

The previous prime is 80679679. The next prime is 80679713. The reversal of 80679700 is 797608.

It is a self number, because there is not a number n which added to its sum of digits gives 80679700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19332 + ... + 23131.

Almost surely, 2^80679700 is an apocalyptic number.

It is an amenable number.

80679700 is an abundant number, since it is smaller than the sum of its proper divisors (103614060).

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

80679700 is a wasteful number, since it uses less digits than its factorization.

80679700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42496 (or 42489 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 80679700 is about 8982.1879294524. The cubic root of 80679700 is about 432.1038059299.

The spelling of 80679700 in words is "eighty million, six hundred seventy-nine thousand, seven hundred".