677880628 has 12 divisors (see below), whose sum is σ = 1202542180. Its totient is φ = 334297152.

The previous prime is 677880611. The next prime is 677880629. The reversal of 677880628 is 826088776.

It can be written as a sum of positive squares in 2 ways, for example, as 508412304 + 169468324 = 22548^2 + 13018^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677880629) 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, 1160463 + ... + 1161046.

Almost surely, 2^677880628 is an apocalyptic number.

It is an amenable number.

677880628 is a deficient number, since it is larger than the sum of its proper divisors (524661552).

677880628 is a wasteful number, since it uses less digits than its factorization.

677880628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321586 (or 2321584 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 52.

The square root of 677880628 is about 26036.1408046584. The cubic root of 677880628 is about 878.4514034929.

The spelling of 677880628 in words is "six hundred seventy-seven million, eight hundred eighty thousand, six hundred twenty-eight".