677043922 has 4 divisors (see below), whose sum is σ = 1015565886. Its totient is φ = 338521960.

The previous prime is 677043919. The next prime is 677043943. The reversal of 677043922 is 229340776.

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., 396447921 + 280596001 = 19911^2 + 16751^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169260979 + ... + 169260982.

Almost surely, 2^677043922 is an apocalyptic number.

677043922 is a deficient number, since it is larger than the sum of its proper divisors (338521964).

677043922 is a wasteful number, since it uses less digits than its factorization.

677043922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338521963.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 677043922 is about 26020.0676786207. The cubic root of 677043922 is about 878.0898313900.

The spelling of 677043922 in words is "six hundred seventy-seven million, forty-three thousand, nine hundred twenty-two".