677493872 has 20 divisors (see below), whose sum is σ = 1431976056. Its totient is φ = 307951680.

The previous prime is 677493863. The next prime is 677493889. The reversal of 677493872 is 278394776.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924523 + ... + 1924874.

Almost surely, 2^677493872 is an apocalyptic number.

It is an amenable number.

677493872 is an abundant number, since it is smaller than the sum of its proper divisors (754482184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677493872 is a wasteful number, since it uses less digits than its factorization.

677493872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849416 (or 3849410 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 53.

The square root of 677493872 is about 26028.7124537500. The cubic root of 677493872 is about 878.2843086928.

The spelling of 677493872 in words is "six hundred seventy-seven million, four hundred ninety-three thousand, eight hundred seventy-two".