79785676 has 6 divisors (see below), whose sum is σ = 139624940. Its totient is φ = 39892836.

The previous prime is 79785647. The next prime is 79785679. The reversal of 79785676 is 67658797.

It is not an unprimeable number, because it can be changed into a prime (79785679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9973206 + ... + 9973213.

Almost surely, 2^79785676 is an apocalyptic number.

It is an amenable number.

79785676 is a deficient number, since it is larger than the sum of its proper divisors (59839264).

79785676 is a wasteful number, since it uses less digits than its factorization.

79785676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19946423 (or 19946421 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 55.

The square root of 79785676 is about 8932.2827989266. The cubic root of 79785676 is about 430.5018046538.

The spelling of 79785676 in words is "seventy-nine million, seven hundred eighty-five thousand, six hundred seventy-six".