677222239 has 4 divisors (see below), whose sum is σ = 700574760. Its totient is φ = 653869720.

The previous prime is 677222209. The next prime is 677222243. The reversal of 677222239 is 932222776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 677222239 - 2²⁹ = 140351327 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677222209) 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, 11676217 + ... + 11676274.

It is an arithmetic number, because the mean of its divisors is an integer number (175143690).

Almost surely, 2^677222239 is an apocalyptic number.

677222239 is a deficient number, since it is larger than the sum of its proper divisors (23352521).

677222239 is a wasteful number, since it uses less digits than its factorization.

677222239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23352520.

The product of its digits is 127008, while the sum is 40.

The square root of 677222239 is about 26023.4939814007. The cubic root of 677222239 is about 878.1669138338.

The spelling of 677222239 in words is "six hundred seventy-seven million, two hundred twenty-two thousand, two hundred thirty-nine".