677385127 has 2 divisors, whose sum is σ = 677385128. Its totient is φ = 677385126.

The previous prime is 677385113. The next prime is 677385151. The reversal of 677385127 is 721583776.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677385127 is a prime.

It is a super-2 number, since 2×677385127² = 917701220561612258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677385157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338692563 + 338692564.

It is an arithmetic number, because the mean of its divisors is an integer number (338692564).

Almost surely, 2^677385127 is an apocalyptic number.

677385127 is a deficient number, since it is larger than the sum of its proper divisors (1).

677385127 is an equidigital number, since it uses as much as digits as its factorization.

677385127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 46.

The square root of 677385127 is about 26026.6234267913. The cubic root of 677385127 is about 878.2373148421.

The spelling of 677385127 in words is "six hundred seventy-seven million, three hundred eighty-five thousand, one hundred twenty-seven".