677349786 has 8 divisors (see below), whose sum is σ = 1354699584. Its totient is φ = 225783260.

The previous prime is 677349767. The next prime is 677349797. The reversal of 677349786 is 687943776.

677349786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

677349786 is an admirable number.

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, 56445810 + ... + 56445821.

It is an arithmetic number, because the mean of its divisors is an integer number (169337448).

Almost surely, 2^677349786 is an apocalyptic number.

677349786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

677349786 is a wasteful number, since it uses less digits than its factorization.

677349786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112891636.

The product of its digits is 10668672, while the sum is 57.

The square root of 677349786 is about 26025.9444785391. The cubic root of 677349786 is about 878.2220412439. Note that the first 3 decimals are identical.

The spelling of 677349786 in words is "six hundred seventy-seven million, three hundred forty-nine thousand, seven hundred eighty-six".