677839012 has 12 divisors (see below), whose sum is σ = 1189804336. Its totient is φ = 337894920.

The previous prime is 677838949. The next prime is 677839013. The reversal of 677839012 is 210938776.

It is a happy number.

It is a super-2 number, since 2×677839012² = 918931452378272288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 677839012.

It is not an unprimeable number, because it can be changed into a prime (677839013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254658 + ... + 257305.

Almost surely, 2^677839012 is an apocalyptic number.

It is an amenable number.

677839012 is a deficient number, since it is larger than the sum of its proper divisors (511965324).

677839012 is a wasteful number, since it uses less digits than its factorization.

677839012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512298 (or 512296 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 677839012 is about 26035.3415956081. The cubic root of 677839012 is about 878.4334266888.

The spelling of 677839012 in words is "six hundred seventy-seven million, eight hundred thirty-nine thousand, twelve".