677502616957 has 2 divisors, whose sum is σ = 677502616958. Its totient is φ = 677502616956.

The previous prime is 677502616933. The next prime is 677502616981. The reversal of 677502616957 is 759616205776.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (677502616933) and next prime (677502616981).

It can be written as a sum of positive squares in only one way, i.e., 677297726361 + 204890596 = 822981^2 + 14314^2 .

It is a cyclic number.

It is not a de Polignac number, because 677502616957 - 2²³ = 677494228349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 677502616895 and 677502616904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677502616997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338751308478 + 338751308479.

It is an arithmetic number, because the mean of its divisors is an integer number (338751308479).

Almost surely, 2^677502616957 is an apocalyptic number.

It is an amenable number.

677502616957 is a deficient number, since it is larger than the sum of its proper divisors (1).

677502616957 is an equidigital number, since it uses as much as digits as its factorization.

677502616957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 677502616957 in words is "six hundred seventy-seven billion, five hundred two million, six hundred sixteen thousand, nine hundred fifty-seven".