677135628 has 36 divisors (see below), whose sum is σ = 1843314928. Its totient is φ = 208349280.

The previous prime is 677135603. The next prime is 677135629. The reversal of 677135628 is 826531776.

677135628 is a `hidden beast` number, since 6 + 7 + 7 + 13 + 5 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (677135629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722968 + ... + 723903.

Almost surely, 2^677135628 is an apocalyptic number.

It is an amenable number.

677135628 is an abundant number, since it is smaller than the sum of its proper divisors (1166179300).

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

677135628 is a wasteful number, since it uses less digits than its factorization.

677135628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446894 (or 1446889 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 677135628 is about 26021.8298357360. The cubic root of 677135628 is about 878.1294755293.

The spelling of 677135628 in words is "six hundred seventy-seven million, one hundred thirty-five thousand, six hundred twenty-eight".