677734188 has 12 divisors (see below), whose sum is σ = 1581379800. Its totient is φ = 225911392.

The previous prime is 677734159. The next prime is 677734229. The reversal of 677734188 is 881437776.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 677734188.

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, 28238913 + ... + 28238936.

It is an arithmetic number, because the mean of its divisors is an integer number (131781650).

Almost surely, 2^677734188 is an apocalyptic number.

It is an amenable number.

677734188 is an abundant number, since it is smaller than the sum of its proper divisors (903645612).

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

677734188 is a wasteful number, since it uses less digits than its factorization.

677734188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56477856 (or 56477854 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 51.

The square root of 677734188 is about 26033.3284080234. The cubic root of 677734188 is about 878.3881427542.

The spelling of 677734188 in words is "six hundred seventy-seven million, seven hundred thirty-four thousand, one hundred eighty-eight".