677155756 has 12 divisors (see below), whose sum is σ = 1186417792. Its totient is φ = 338179248.

The previous prime is 677155751. The next prime is 677155789. The reversal of 677155756 is 657551776.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (677155751) 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, 95820 + ... + 102643.

Almost surely, 2^677155756 is an apocalyptic number.

It is an amenable number.

677155756 is a deficient number, since it is larger than the sum of its proper divisors (509262036).

677155756 is a wasteful number, since it uses less digits than its factorization.

677155756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199320 (or 199318 counting only the distinct ones).

The product of its digits is 1543500, while the sum is 49.

The square root of 677155756 is about 26022.2165850644. The cubic root of 677155756 is about 878.1381763046.

The spelling of 677155756 in words is "six hundred seventy-seven million, one hundred fifty-five thousand, seven hundred fifty-six".