76776700680664 has 16 divisors (see below), whose sum is σ = 144751652529120. Its totient is φ = 38176260006240.

The previous prime is 76776700680661. The next prime is 76776700680679. The reversal of 76776700680664 is 46608600767767.

It is a super-3 number, since 3×76776700680664³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76776700680593 and 76776700680602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76776700680661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26511290224 + ... + 26511293119.

It is an arithmetic number, because the mean of its divisors is an integer number (9046978283070).

Almost surely, 2^{76776700680664} is an apocalyptic number.

It is an amenable number.

76776700680664 is a deficient number, since it is larger than the sum of its proper divisors (67974951848456).

76776700680664 is a wasteful number, since it uses less digits than its factorization.

76776700680664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53022583530 (or 53022583526 counting only the distinct ones).

The product of its (nonzero) digits is 597445632, while the sum is 70.

The spelling of 76776700680664 in words is "seventy-six trillion, seven hundred seventy-six billion, seven hundred million, six hundred eighty thousand, six hundred sixty-four".