677907775 has 6 divisors (see below), whose sum is σ = 840605672. Its totient is φ = 542326200.

The previous prime is 677907739. The next prime is 677907779. The reversal of 677907775 is 577709776.

It is not a de Polignac number, because 677907775 - 2¹⁷ = 677776703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677907779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13558131 + ... + 13558180.

Almost surely, 2^677907775 is an apocalyptic number.

677907775 is a deficient number, since it is larger than the sum of its proper divisors (162697897).

677907775 is a wasteful number, since it uses less digits than its factorization.

677907775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27116321 (or 27116316 counting only the distinct ones).

The product of its (nonzero) digits is 4537890, while the sum is 55.

The square root of 677907775 is about 26036.6621324624. The cubic root of 677907775 is about 878.4631297472.

The spelling of 677907775 in words is "six hundred seventy-seven million, nine hundred seven thousand, seven hundred seventy-five".