677994317 has 32 divisors (see below), whose sum is σ = 929746944. Its totient is φ = 477259200.

The previous prime is 677994283. The next prime is 677994329. The reversal of 677994317 is 713499776.

It is not a de Polignac number, because 677994317 - 2¹⁰ = 677993293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677994337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39842 + ... + 54252.

It is an arithmetic number, because the mean of its divisors is an integer number (29054592).

Almost surely, 2^677994317 is an apocalyptic number.

It is an amenable number.

677994317 is a deficient number, since it is larger than the sum of its proper divisors (251752627).

677994317 is a wasteful number, since it uses less digits than its factorization.

677994317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14489.

The product of its digits is 2000376, while the sum is 53.

The square root of 677994317 is about 26038.3240052043. The cubic root of 677994317 is about 878.5005098178.

The spelling of 677994317 in words is "six hundred seventy-seven million, nine hundred ninety-four thousand, three hundred seventeen".