612774914977 has 2 divisors, whose sum is σ = 612774914978. Its totient is φ = 612774914976.

The previous prime is 612774914959. The next prime is 612774914981. The reversal of 612774914977 is 779419477216.

612774914977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519529574656 + 93245340321 = 720784^2 + 305361^2 .

It is a cyclic number.

It is not a de Polignac number, because 612774914977 - 2³⁵ = 578415176609 is a prime.

It is not a weakly prime, because it can be changed into another prime (612774954977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306387457488 + 306387457489.

It is an arithmetic number, because the mean of its divisors is an integer number (306387457489).

Almost surely, 2^612774914977 is an apocalyptic number.

It is an amenable number.

612774914977 is a deficient number, since it is larger than the sum of its proper divisors (1).

612774914977 is an equidigital number, since it uses as much as digits as its factorization.

612774914977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37340352, while the sum is 64.

The spelling of 612774914977 in words is "six hundred twelve billion, seven hundred seventy-four million, nine hundred fourteen thousand, nine hundred seventy-seven".