77056654788859 has 2 divisors, whose sum is σ = 77056654788860. Its totient is φ = 77056654788858.

The previous prime is 77056654788847. The next prime is 77056654788901. The reversal of 77056654788859 is 95888745665077.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77056654788859 is a prime.

It is not a weakly prime, because it can be changed into another prime (77056654788359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38528327394429 + 38528327394430.

It is an arithmetic number, because the mean of its divisors is an integer number (38528327394430).

Almost surely, 2^{77056654788859} is an apocalyptic number.

77056654788859 is a deficient number, since it is larger than the sum of its proper divisors (1).

77056654788859 is an equidigital number, since it uses as much as digits as its factorization.

77056654788859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28449792000, while the sum is 85.

The spelling of 77056654788859 in words is "seventy-seven trillion, fifty-six billion, six hundred fifty-four million, seven hundred eighty-eight thousand, eight hundred fifty-nine".