77766758552179 has 2 divisors, whose sum is σ = 77766758552180. Its totient is φ = 77766758552178.

The previous prime is 77766758552113. The next prime is 77766758552227. The reversal of 77766758552179 is 97125585766777.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77766758552179 - 2⁷ = 77766758552051 is a prime.

It is not a weakly prime, because it can be changed into another prime (77766758552279) 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 as a sum of consecutive naturals, namely, 38883379276089 + 38883379276090.

It is an arithmetic number, because the mean of its divisors is an integer number (38883379276090).

Almost surely, 2^{77766758552179} is an apocalyptic number.

77766758552179 is a deficient number, since it is larger than the sum of its proper divisors (1).

77766758552179 is an equidigital number, since it uses as much as digits as its factorization.

77766758552179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10890936000, while the sum is 82.

The spelling of 77766758552179 in words is "seventy-seven trillion, seven hundred sixty-six billion, seven hundred fifty-eight million, five hundred fifty-two thousand, one hundred seventy-nine".