77075494295077 has 2 divisors, whose sum is σ = 77075494295078. Its totient is φ = 77075494295076.

The previous prime is 77075494294957. The next prime is 77075494295083. The reversal of 77075494295077 is 77059249457077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76796373329316 + 279120965761 = 8763354^2 + 528319^2 .

It is a cyclic number.

It is not a de Polignac number, because 77075494295077 - 2²³ = 77075485906469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77075494295677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38537747147538 + 38537747147539.

It is an arithmetic number, because the mean of its divisors is an integer number (38537747147539).

Almost surely, 2^{77075494295077} is an apocalyptic number.

It is an amenable number.

77075494295077 is a deficient number, since it is larger than the sum of its proper divisors (1).

77075494295077 is an equidigital number, since it uses as much as digits as its factorization.

77075494295077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1089093600, while the sum is 73.

The spelling of 77075494295077 in words is "seventy-seven trillion, seventy-five billion, four hundred ninety-four million, two hundred ninety-five thousand, seventy-seven".