77113477719193 has 2 divisors, whose sum is σ = 77113477719194. Its totient is φ = 77113477719192.

The previous prime is 77113477719143. The next prime is 77113477719221. The reversal of 77113477719193 is 39191777431177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77113477719184 + 9 = 8781428^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 77113477719193 - 2²¹ = 77113475622041 is a prime.

It is not a weakly prime, because it can be changed into another prime (77113477719143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38556738859596 + 38556738859597.

It is an arithmetic number, because the mean of its divisors is an integer number (38556738859597).

Almost surely, 2^{77113477719193} is an apocalyptic number.

It is an amenable number.

77113477719193 is a deficient number, since it is larger than the sum of its proper divisors (1).

77113477719193 is an equidigital number, since it uses as much as digits as its factorization.

77113477719193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49009212, while the sum is 67.

The spelling of 77113477719193 in words is "seventy-seven trillion, one hundred thirteen billion, four hundred seventy-seven million, seven hundred nineteen thousand, one hundred ninety-three".