677318723 has 8 divisors (see below), whose sum is σ = 683875968. Its totient is φ = 670771584.

The previous prime is 677318717. The next prime is 677318753. The reversal of 677318723 is 327813776.

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

It is a cyclic number.

It is not a de Polignac number, because 677318723 - 2¹⁸ = 677056579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677318753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240761 + ... + 243557.

It is an arithmetic number, because the mean of its divisors is an integer number (85484496).

Almost surely, 2^677318723 is an apocalyptic number.

677318723 is a deficient number, since it is larger than the sum of its proper divisors (6557245).

677318723 is a wasteful number, since it uses less digits than its factorization.

677318723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053.

The product of its digits is 296352, while the sum is 44.

The square root of 677318723 is about 26025.3477018079. The cubic root of 677318723 is about 878.2086160639.

The spelling of 677318723 in words is "six hundred seventy-seven million, three hundred eighteen thousand, seven hundred twenty-three".