677074478 has 4 divisors (see below), whose sum is σ = 1015611720. Its totient is φ = 338537238.

The previous prime is 677074471. The next prime is 677074511. The reversal of 677074478 is 874470776.

677074478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677074471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169268618 + ... + 169268621.

It is an arithmetic number, because the mean of its divisors is an integer number (253902930).

Almost surely, 2^677074478 is an apocalyptic number.

677074478 is a deficient number, since it is larger than the sum of its proper divisors (338537242).

677074478 is a wasteful number, since it uses less digits than its factorization.

677074478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338537241.

The product of its (nonzero) digits is 1843968, while the sum is 50.

The square root of 677074478 is about 26020.6548341889. The cubic root of 677074478 is about 878.1030410250.

The spelling of 677074478 in words is "six hundred seventy-seven million, seventy-four thousand, four hundred seventy-eight".