77013692918 has 8 divisors (see below), whose sum is σ = 116101045200. Its totient is φ = 38313344520.

The previous prime is 77013692891. The next prime is 77013692929. The reversal of 77013692918 is 81929631077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×77013692918² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77013692918.

It is a congruent number.

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, 96750473 + ... + 96751268.

It is an arithmetic number, because the mean of its divisors is an integer number (14512630650).

Almost surely, 2^77013692918 is an apocalyptic number.

77013692918 is a deficient number, since it is larger than the sum of its proper divisors (39087352282).

77013692918 is a wasteful number, since it uses less digits than its factorization.

77013692918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193501942.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 77013692918 in words is "seventy-seven billion, thirteen million, six hundred ninety-two thousand, nine hundred eighteen".