677872012 has 12 divisors (see below), whose sum is σ = 1193554936. Its totient is φ = 336856320.

The previous prime is 677872007. The next prime is 677872021. The reversal of 677872012 is 210278776.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519189 + ... + 520492.

Almost surely, 2^677872012 is an apocalyptic number.

It is an amenable number.

677872012 is a deficient number, since it is larger than the sum of its proper divisors (515682924).

677872012 is a wasteful number, since it uses less digits than its factorization.

677872012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039848 (or 1039846 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 677872012 is about 26035.9753418227. The cubic root of 677872012 is about 878.4476817121.

The spelling of 677872012 in words is "six hundred seventy-seven million, eight hundred seventy-two thousand, twelve".