77034101431961 has 2 divisors, whose sum is σ = 77034101431962. Its totient is φ = 77034101431960.

The previous prime is 77034101431957. The next prime is 77034101431979. The reversal of 77034101431961 is 16913410143077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67359264438361 + 9674836993600 = 8207269^2 + 3110440^2 .

It is a cyclic number.

It is not a de Polignac number, because 77034101431961 - 2² = 77034101431957 is a prime.

It is not a weakly prime, because it can be changed into another prime (77034101421961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38517050715980 + 38517050715981.

It is an arithmetic number, because the mean of its divisors is an integer number (38517050715981).

Almost surely, 2^{77034101431961} is an apocalyptic number.

It is an amenable number.

77034101431961 is a deficient number, since it is larger than the sum of its proper divisors (1).

77034101431961 is an equidigital number, since it uses as much as digits as its factorization.

77034101431961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 77034101431961 in words is "seventy-seven trillion, thirty-four billion, one hundred one million, four hundred thirty-one thousand, nine hundred sixty-one".