315725878 has 8 divisors (see below), whose sum is σ = 510018768. Its totient is φ = 145719624.

The previous prime is 315725867. The next prime is 315725897. The reversal of 315725878 is 878527513.

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

It is a congruent number.

It is an unprimeable number.

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, 6071626 + ... + 6071677.

It is an arithmetic number, because the mean of its divisors is an integer number (63752346).

Almost surely, 2^315725878 is an apocalyptic number.

315725878 is a deficient number, since it is larger than the sum of its proper divisors (194292890).

315725878 is a wasteful number, since it uses less digits than its factorization.

315725878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12143318.

The product of its digits is 470400, while the sum is 46.

The square root of 315725878 is about 17768.6768781471. The cubic root of 315725878 is about 680.9314498920.

The spelling of 315725878 in words is "three hundred fifteen million, seven hundred twenty-five thousand, eight hundred seventy-eight".