313678087 has 4 divisors (see below), whose sum is σ = 330187480. Its totient is φ = 297168696.

The previous prime is 313678081. The next prime is 313678091. The reversal of 313678087 is 780876313.

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

It is a cyclic number.

It is not a de Polignac number, because 313678087 - 2¹¹ = 313676039 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 (313678081) 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 3 ways as a sum of consecutive naturals, for example, 8254668 + ... + 8254705.

It is an arithmetic number, because the mean of its divisors is an integer number (82546870).

Almost surely, 2^313678087 is an apocalyptic number.

313678087 is a deficient number, since it is larger than the sum of its proper divisors (16509393).

313678087 is a wasteful number, since it uses less digits than its factorization.

313678087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509392.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 313678087 is about 17710.9595166383. The cubic root of 313678087 is about 679.4560868254.

The spelling of 313678087 in words is "three hundred thirteen million, six hundred seventy-eight thousand, eighty-seven".