677083657 has 2 divisors, whose sum is σ = 677083658. Its totient is φ = 677083656.

The previous prime is 677083621. The next prime is 677083669. The reversal of 677083657 is 756380776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646125561 + 30958096 = 25419^2 + 5564^2 .

It is a cyclic number.

It is not a de Polignac number, because 677083657 - 2⁷ = 677083529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677083657.

It is not a weakly prime, because it can be changed into another prime (677083607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338541828 + 338541829.

It is an arithmetic number, because the mean of its divisors is an integer number (338541829).

Almost surely, 2^677083657 is an apocalyptic number.

It is an amenable number.

677083657 is a deficient number, since it is larger than the sum of its proper divisors (1).

677083657 is an equidigital number, since it uses as much as digits as its factorization.

677083657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 677083657 is about 26020.8312127034. The cubic root of 677083657 is about 878.1070091120.

The spelling of 677083657 in words is "six hundred seventy-seven million, eighty-three thousand, six hundred fifty-seven".