315861587680 has 48 divisors (see below), whose sum is σ = 746263101024. Its totient is φ = 126337845760.

The previous prime is 315861587507. The next prime is 315861587687. The reversal of 315861587680 is 86785168513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315861587687) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3810354 + ... + 3892366.

It is an arithmetic number, because the mean of its divisors is an integer number (15547147938).

Almost surely, 2^315861587680 is an apocalyptic number.

It is an amenable number.

315861587680 is an abundant number, since it is smaller than the sum of its proper divisors (430401513344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315861587680 is a wasteful number, since it uses less digits than its factorization.

315861587680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106099 (or 106091 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 58.

The spelling of 315861587680 in words is "three hundred fifteen billion, eight hundred sixty-one million, five hundred eighty-seven thousand, six hundred eighty".