677706674 has 4 divisors (see below), whose sum is σ = 1016560014. Its totient is φ = 338853336.

The previous prime is 677706647. The next prime is 677706691. The reversal of 677706674 is 476607776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 596580625 + 81126049 = 24425^2 + 9007^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169426667 + ... + 169426670.

Almost surely, 2^677706674 is an apocalyptic number.

677706674 is a deficient number, since it is larger than the sum of its proper divisors (338853340).

677706674 is a wasteful number, since it uses less digits than its factorization.

677706674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338853339.

The product of its (nonzero) digits is 2074464, while the sum is 50.

The square root of 677706674 is about 26032.7999646600. The cubic root of 677706674 is about 878.3762559413.

The spelling of 677706674 in words is "six hundred seventy-seven million, seven hundred six thousand, six hundred seventy-four".