677953907 has 2 divisors, whose sum is σ = 677953908. Its totient is φ = 677953906.

The previous prime is 677953891. The next prime is 677953943. The reversal of 677953907 is 709359776.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 677953907 - 2⁴ = 677953891 is a prime.

It is not a weakly prime, because it can be changed into another prime (677953987) 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, 338976953 + 338976954.

It is an arithmetic number, because the mean of its divisors is an integer number (338976954).

Almost surely, 2^677953907 is an apocalyptic number.

677953907 is a deficient number, since it is larger than the sum of its proper divisors (1).

677953907 is an equidigital number, since it uses as much as digits as its factorization.

677953907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2500470, while the sum is 53.

The square root of 677953907 is about 26037.5480220392. The cubic root of 677953907 is about 878.4830559296.

The spelling of 677953907 in words is "six hundred seventy-seven million, nine hundred fifty-three thousand, nine hundred seven".