677289823 has 8 divisors (see below), whose sum is σ = 775093248. Its totient is φ = 579748344.

The previous prime is 677289799. The next prime is 677289841. The reversal of 677289823 is 328982776.

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

It is not a de Polignac number, because 677289823 - 2⁵ = 677289791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677289623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59911 + ... + 70312.

It is an arithmetic number, because the mean of its divisors is an integer number (96886656).

Almost surely, 2^677289823 is an apocalyptic number.

677289823 is a deficient number, since it is larger than the sum of its proper divisors (97803425).

677289823 is a wasteful number, since it uses less digits than its factorization.

677289823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130973.

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

The square root of 677289823 is about 26024.7924679526. The cubic root of 677289823 is about 878.1961253467.

The spelling of 677289823 in words is "six hundred seventy-seven million, two hundred eighty-nine thousand, eight hundred twenty-three".