316678999 has 32 divisors (see below), whose sum is σ = 401224320. Its totient is φ = 243302400.

The previous prime is 316678991. The next prime is 316679003. The reversal of 316678999 is 999876613.

It is a cyclic number.

It is not a de Polignac number, because 316678999 - 2³ = 316678991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316678991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493719 + ... + 494359.

It is an arithmetic number, because the mean of its divisors is an integer number (12538260).

Almost surely, 2^316678999 is an apocalyptic number.

316678999 is a deficient number, since it is larger than the sum of its proper divisors (84545321).

316678999 is a wasteful number, since it uses less digits than its factorization.

316678999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its digits is 4408992, while the sum is 58.

The square root of 316678999 is about 17795.4769253313. The cubic root of 316678999 is about 681.6159657122.

The spelling of 316678999 in words is "three hundred sixteen million, six hundred seventy-eight thousand, nine hundred ninety-nine".