676039957 has 2 divisors, whose sum is σ = 676039958. Its totient is φ = 676039956.

The previous prime is 676039951. The next prime is 676039961. The reversal of 676039957 is 759930676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447153316 + 228886641 = 21146^2 + 15129^2 .

It is a cyclic number.

It is not a de Polignac number, because 676039957 - 2¹¹ = 676037909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676039951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338019978 + 338019979.

It is an arithmetic number, because the mean of its divisors is an integer number (338019979).

Almost surely, 2^676039957 is an apocalyptic number.

It is an amenable number.

676039957 is a deficient number, since it is larger than the sum of its proper divisors (1).

676039957 is an equidigital number, since it uses as much as digits as its factorization.

676039957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The square root of 676039957 is about 26000.7683924918. The cubic root of 676039957 is about 877.6555870036.

The spelling of 676039957 in words is "six hundred seventy-six million, thirty-nine thousand, nine hundred fifty-seven".