677162239 has 4 divisors (see below), whose sum is σ = 729251656. Its totient is φ = 625072824.

The previous prime is 677162221. The next prime is 677162243. The reversal of 677162239 is 932261776.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677162239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677162195 and 677162204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677162219) 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, 26044689 + ... + 26044714.

It is an arithmetic number, because the mean of its divisors is an integer number (182312914).

Almost surely, 2^677162239 is an apocalyptic number.

677162239 is a deficient number, since it is larger than the sum of its proper divisors (52089417).

677162239 is a wasteful number, since it uses less digits than its factorization.

677162239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52089416.

The product of its digits is 190512, while the sum is 43.

The square root of 677162239 is about 26022.3411514030. The cubic root of 677162239 is about 878.1409786887.

The spelling of 677162239 in words is "six hundred seventy-seven million, one hundred sixty-two thousand, two hundred thirty-nine".