315479125487 has 4 divisors (see below), whose sum is σ = 324005588376. Its totient is φ = 306952662600.

The previous prime is 315479125459. The next prime is 315479125529. The reversal of 315479125487 is 784521974513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784521974513 = 7823 ⋅100284031.

It is a cyclic number.

It is not a de Polignac number, because 315479125487 - 2²² = 315474931183 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 (315479121487) 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, 4263231389 + ... + 4263231462.

It is an arithmetic number, because the mean of its divisors is an integer number (81001397094).

Almost surely, 2^315479125487 is an apocalyptic number.

315479125487 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

315479125487 is a deficient number, since it is larger than the sum of its proper divisors (8526462889).

315479125487 is an equidigital number, since it uses as much as digits as its factorization.

315479125487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8526462888.

The product of its digits is 8467200, while the sum is 56.

The spelling of 315479125487 in words is "three hundred fifteen billion, four hundred seventy-nine million, one hundred twenty-five thousand, four hundred eighty-seven".