77367111013 has 2 divisors, whose sum is σ = 77367111014. Its totient is φ = 77367111012.

The previous prime is 77367110969. The next prime is 77367111023. The reversal of 77367111013 is 31011176377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66885856129 + 10481254884 = 258623^2 + 102378^2 .

It is a cyclic number.

It is not a de Polignac number, because 77367111013 - 2¹⁷ = 77366979941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77367111023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38683555506 + 38683555507.

It is an arithmetic number, because the mean of its divisors is an integer number (38683555507).

Almost surely, 2^77367111013 is an apocalyptic number.

It is an amenable number.

77367111013 is a deficient number, since it is larger than the sum of its proper divisors (1).

77367111013 is an equidigital number, since it uses as much as digits as its factorization.

77367111013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 37.

The spelling of 77367111013 in words is "seventy-seven billion, three hundred sixty-seven million, one hundred eleven thousand, thirteen".