677774427 has 16 divisors (see below), whose sum is σ = 996935040. Its totient is φ = 406155200.

The previous prime is 677774401. The next prime is 677774437. The reversal of 677774427 is 724477776.

It is not a de Polignac number, because 677774427 - 2⁸ = 677774171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677774427.

It is not an unprimeable number, because it can be changed into a prime (677774437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112449 + ... + 118322.

It is an arithmetic number, because the mean of its divisors is an integer number (62308440).

Almost surely, 2^677774427 is an apocalyptic number.

677774427 is a deficient number, since it is larger than the sum of its proper divisors (319160613).

677774427 is a wasteful number, since it uses less digits than its factorization.

677774427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230874.

The product of its digits is 3226944, while the sum is 51.

The square root of 677774427 is about 26034.1012328062. The cubic root of 677774427 is about 878.4055265415.

The spelling of 677774427 in words is "six hundred seventy-seven million, seven hundred seventy-four thousand, four hundred twenty-seven".