77764011577164 has 168 divisors, whose sum is σ = 227321905241088. Its totient is φ = 23063471716320.

The previous prime is 77764011577127. The next prime is 77764011577169. The reversal of 77764011577164 is 46177511046777.

77764011577164 is a `hidden beast` number, since 7 + 7 + 7 + 6 + 40 + 1 + 1 + 577 + 16 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (77764011577169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 24283572 + ... + 27298715.

It is an arithmetic number, because the mean of its divisors is an integer number (1353106578816).

Almost surely, 2^{77764011577164} is an apocalyptic number.

It is an amenable number.

77764011577164 is an abundant number, since it is smaller than the sum of its proper divisors (149557893663924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77764011577164 is a wasteful number, since it uses less digits than its factorization.

77764011577164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51582367 (or 51582350 counting only the distinct ones).

The product of its (nonzero) digits is 48404160, while the sum is 63.

The spelling of 77764011577164 in words is "seventy-seven trillion, seven hundred sixty-four billion, eleven million, five hundred seventy-seven thousand, one hundred sixty-four".