617214679057 has 2 divisors, whose sum is σ = 617214679058. Its totient is φ = 617214679056.

The previous prime is 617214678961. The next prime is 617214679091. The reversal of 617214679057 is 750976412716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482113590336 + 135101088721 = 694344^2 + 367561^2 .

It is a cyclic number.

It is not a de Polignac number, because 617214679057 - 2³¹ = 615067195409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 617214678989 and 617214679007.

It is not a weakly prime, because it can be changed into another prime (617214679097) 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, 308607339528 + 308607339529.

It is an arithmetic number, because the mean of its divisors is an integer number (308607339529).

Almost surely, 2^617214679057 is an apocalyptic number.

It is an amenable number.

617214679057 is a deficient number, since it is larger than the sum of its proper divisors (1).

617214679057 is an equidigital number, since it uses as much as digits as its factorization.

617214679057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 617214679057 in words is "six hundred seventeen billion, two hundred fourteen million, six hundred seventy-nine thousand, fifty-seven".