677775964 has 6 divisors (see below), whose sum is σ = 1186107944. Its totient is φ = 338887980.

The previous prime is 677775949. The next prime is 677776007. The reversal of 677775964 is 469577776.

It is a super-2 number, since 2×677775964² = 918760514752258592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 677775899 and 677775908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84721992 + ... + 84721999.

Almost surely, 2^677775964 is an apocalyptic number.

It is an amenable number.

677775964 is a deficient number, since it is larger than the sum of its proper divisors (508331980).

677775964 is a wasteful number, since it uses less digits than its factorization.

677775964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169443995 (or 169443993 counting only the distinct ones).

The product of its digits is 15558480, while the sum is 58.

The square root of 677775964 is about 26034.1307517651. The cubic root of 677775964 is about 878.4061905325.

The spelling of 677775964 in words is "six hundred seventy-seven million, seven hundred seventy-five thousand, nine hundred sixty-four".