315823879258 has 4 divisors (see below), whose sum is σ = 473735818890. Its totient is φ = 157911939628.

The previous prime is 315823879229. The next prime is 315823879289. The reversal of 315823879258 is 852978328513.

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

It can be written as a sum of positive squares in only one way, i.e., 228022485289 + 87801393969 = 477517^2 + 296313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315823879196 and 315823879205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78955969813 + ... + 78955969816.

Almost surely, 2^315823879258 is an apocalyptic number.

315823879258 is a deficient number, since it is larger than the sum of its proper divisors (157911939632).

315823879258 is a wasteful number, since it uses less digits than its factorization.

315823879258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157911939631.

The product of its digits is 29030400, while the sum is 61.

The spelling of 315823879258 in words is "three hundred fifteen billion, eight hundred twenty-three million, eight hundred seventy-nine thousand, two hundred fifty-eight".