612582306977 has 2 divisors, whose sum is σ = 612582306978. Its totient is φ = 612582306976.

The previous prime is 612582306971. The next prime is 612582306991. The reversal of 612582306977 is 779603285216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390273828961 + 222308478016 = 624719^2 + 471496^2 .

It is a cyclic number.

It is not a de Polignac number, because 612582306977 - 2¹⁰ = 612582305953 is a prime.

It is not a weakly prime, because it can be changed into another prime (612582306971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306291153488 + 306291153489.

It is an arithmetic number, because the mean of its divisors is an integer number (306291153489).

Almost surely, 2^612582306977 is an apocalyptic number.

It is an amenable number.

612582306977 is a deficient number, since it is larger than the sum of its proper divisors (1).

612582306977 is an equidigital number, since it uses as much as digits as its factorization.

612582306977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 612582306977 in words is "six hundred twelve billion, five hundred eighty-two million, three hundred six thousand, nine hundred seventy-seven".