80079784 has 16 divisors (see below), whose sum is σ = 150445620. Its totient is φ = 39960960.

The previous prime is 80079773. The next prime is 80079799. The reversal of 80079784 is 48797008.

It can be written as a sum of positive squares in 2 ways, for example, as 77264100 + 2815684 = 8790^2 + 1678^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80079784.

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, 5439 + ... + 13774.

Almost surely, 2^80079784 is an apocalyptic number.

It is an amenable number.

80079784 is a deficient number, since it is larger than the sum of its proper divisors (70365836).

80079784 is a wasteful number, since it uses less digits than its factorization.

80079784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19740 (or 19736 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 80079784 is about 8948.7308597365. The cubic root of 80079784 is about 431.0301315957.

The spelling of 80079784 in words is "eighty million, seventy-nine thousand, seven hundred eighty-four".