315950879 has 4 divisors (see below), whose sum is σ = 323657040. Its totient is φ = 308244720.

The previous prime is 315950851. The next prime is 315950893. The reversal of 315950879 is 978059513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978059513 = 1361 ⋅718633.

It is a cyclic number.

It is not a de Polignac number, because 315950879 - 2¹² = 315946783 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 (315950819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853019 + ... + 3853100.

It is an arithmetic number, because the mean of its divisors is an integer number (80914260).

Almost surely, 2^315950879 is an apocalyptic number.

315950879 is a deficient number, since it is larger than the sum of its proper divisors (7706161).

315950879 is an equidigital number, since it uses as much as digits as its factorization.

315950879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7706160.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 315950879 is about 17775.0071448649. The cubic root of 315950879 is about 681.0931659958.

The spelling of 315950879 in words is "three hundred fifteen million, nine hundred fifty thousand, eight hundred seventy-nine".