677685367 has 2 divisors, whose sum is σ = 677685368. Its totient is φ = 677685366.

The previous prime is 677685347. The next prime is 677685391. The reversal of 677685367 is 763586776.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677685367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677685347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338842683 + 338842684.

It is an arithmetic number, because the mean of its divisors is an integer number (338842684).

Almost surely, 2^677685367 is an apocalyptic number.

677685367 is a deficient number, since it is larger than the sum of its proper divisors (1).

677685367 is an equidigital number, since it uses as much as digits as its factorization.

677685367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 55.

The square root of 677685367 is about 26032.3907277069. The cubic root of 677685367 is about 878.3670505040.

The spelling of 677685367 in words is "six hundred seventy-seven million, six hundred eighty-five thousand, three hundred sixty-seven".