677925967 has 2 divisors, whose sum is σ = 677925968. Its totient is φ = 677925966.

The previous prime is 677925929. The next prime is 677925973. The reversal of 677925967 is 769529776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677925967 - 2¹⁵ = 677893199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677925977) 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, 338962983 + 338962984.

It is an arithmetic number, because the mean of its divisors is an integer number (338962984).

Almost surely, 2^677925967 is an apocalyptic number.

677925967 is a deficient number, since it is larger than the sum of its proper divisors (1).

677925967 is an equidigital number, since it uses as much as digits as its factorization.

677925967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10001880, while the sum is 58.

The square root of 677925967 is about 26037.0114836553. The cubic root of 677925967 is about 878.4709876786.

The spelling of 677925967 in words is "six hundred seventy-seven million, nine hundred twenty-five thousand, nine hundred sixty-seven".