77251313340053 has 2 divisors, whose sum is σ = 77251313340054. Its totient is φ = 77251313340052.

The previous prime is 77251313340043. The next prime is 77251313340059. The reversal of 77251313340053 is 35004331315277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67759534897924 + 9491778442129 = 8231618^2 + 3080873^2 .

It is a cyclic number.

It is not a de Polignac number, because 77251313340053 - 2²⁰ = 77251312291477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77251313339986 and 77251313340013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77251313340059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38625656670026 + 38625656670027.

It is an arithmetic number, because the mean of its divisors is an integer number (38625656670027).

Almost surely, 2^{77251313340053} is an apocalyptic number.

It is an amenable number.

77251313340053 is a deficient number, since it is larger than the sum of its proper divisors (1).

77251313340053 is an equidigital number, since it uses as much as digits as its factorization.

77251313340053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 44.

The spelling of 77251313340053 in words is "seventy-seven trillion, two hundred fifty-one billion, three hundred thirteen million, three hundred forty thousand, fifty-three".