79967547842 has 16 divisors (see below), whose sum is σ = 147632396352. Its totient is φ = 31635513360.

The previous prime is 79967547809. The next prime is 79967547857. The reversal of 79967547842 is 24874576997.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219690884 + ... + 219691247.

It is an arithmetic number, because the mean of its divisors is an integer number (9227024772).

Almost surely, 2^79967547842 is an apocalyptic number.

79967547842 is a deficient number, since it is larger than the sum of its proper divisors (67664848510).

79967547842 is a wasteful number, since it uses less digits than its factorization.

79967547842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439382153.

The product of its digits is 213373440, while the sum is 68.

The spelling of 79967547842 in words is "seventy-nine billion, nine hundred sixty-seven million, five hundred forty-seven thousand, eight hundred forty-two".