77056700519 has 2 divisors, whose sum is σ = 77056700520. Its totient is φ = 77056700518.

The previous prime is 77056700509. The next prime is 77056700531. The reversal of 77056700519 is 91500765077.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77056700519 is a prime.

It is a super-2 number, since 2×77056700519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77056700509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38528350259 + 38528350260.

It is an arithmetic number, because the mean of its divisors is an integer number (38528350260).

Almost surely, 2^77056700519 is an apocalyptic number.

77056700519 is a deficient number, since it is larger than the sum of its proper divisors (1).

77056700519 is an equidigital number, since it uses as much as digits as its factorization.

77056700519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 463050, while the sum is 47.

The spelling of 77056700519 in words is "seventy-seven billion, fifty-six million, seven hundred thousand, five hundred nineteen".