677468194 has 8 divisors (see below), whose sum is σ = 1094371740. Its totient is φ = 312677616.

The previous prime is 677468189. The next prime is 677468227. The reversal of 677468194 is 491864776.

It can be written as a sum of positive squares in 2 ways, for example, as 674181225 + 3286969 = 25965^2 + 1813^2 .

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

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, 13028209 + ... + 13028260.

Almost surely, 2^677468194 is an apocalyptic number.

677468194 is a deficient number, since it is larger than the sum of its proper divisors (416903546).

677468194 is a wasteful number, since it uses less digits than its factorization.

677468194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26056484.

The product of its digits is 2032128, while the sum is 52.

The square root of 677468194 is about 26028.2191861065. The cubic root of 677468194 is about 878.2732124697.

The spelling of 677468194 in words is "six hundred seventy-seven million, four hundred sixty-eight thousand, one hundred ninety-four".