78179512876 has 12 divisors (see below), whose sum is σ = 144014892280. Its totient is φ = 37032400800.

The previous prime is 78179512847. The next prime is 78179512903. The reversal of 78179512876 is 67821597187.

It is a super-2 number, since 2×78179512876² (a number of 23 digits) contains 22 as substring.

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, 514338825 + ... + 514338976.

Almost surely, 2^78179512876 is an apocalyptic number.

78179512876 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

78179512876 is a deficient number, since it is larger than the sum of its proper divisors (65835379404).

78179512876 is a wasteful number, since it uses less digits than its factorization.

78179512876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028677824 (or 1028677822 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 61.

The spelling of 78179512876 in words is "seventy-eight billion, one hundred seventy-nine million, five hundred twelve thousand, eight hundred seventy-six".