80687794 has 32 divisors (see below), whose sum is σ = 140097600. Its totient is φ = 34467840.

The previous prime is 80687779. The next prime is 80687819. The reversal of 80687794 is 49778608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56562 + ... + 57970.

It is an arithmetic number, because the mean of its divisors is an integer number (4378050).

Almost surely, 2^80687794 is an apocalyptic number.

80687794 is a deficient number, since it is larger than the sum of its proper divisors (59409806).

80687794 is a wasteful number, since it uses less digits than its factorization.

80687794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 80687794 is about 8982.6384765279. The cubic root of 80687794 is about 432.1182553774.

The spelling of 80687794 in words is "eighty million, six hundred eighty-seven thousand, seven hundred ninety-four".