77777122076 has 12 divisors (see below), whose sum is σ = 144116432208. Its totient is φ = 36600998592.

The previous prime is 77777121979. The next prime is 77777122091. The reversal of 77777122076 is 67022177777.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571890536 + ... + 571890671.

It is an arithmetic number, because the mean of its divisors is an integer number (12009702684).

Almost surely, 2^77777122076 is an apocalyptic number.

It is an amenable number.

77777122076 is a deficient number, since it is larger than the sum of its proper divisors (66339310132).

77777122076 is a wasteful number, since it uses less digits than its factorization.

77777122076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143781228 (or 1143781226 counting only the distinct ones).

The product of its (nonzero) digits is 2823576, while the sum is 53.

The spelling of 77777122076 in words is "seventy-seven billion, seven hundred seventy-seven million, one hundred twenty-two thousand, seventy-six".