315887389854 has 32 divisors (see below), whose sum is σ = 641552921856. Its totient is φ = 103667815680.

The previous prime is 315887389841. The next prime is 315887389859. The reversal of 315887389854 is 458983788513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315887389859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529774 + ... + 955214.

It is an arithmetic number, because the mean of its divisors is an integer number (20048528808).

Almost surely, 2^315887389854 is an apocalyptic number.

315887389854 is an abundant number, since it is smaller than the sum of its proper divisors (325665532002).

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

315887389854 is a wasteful number, since it uses less digits than its factorization.

315887389854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427360.

The product of its digits is 232243200, while the sum is 69.

The spelling of 315887389854 in words is "three hundred fifteen billion, eight hundred eighty-seven million, three hundred eighty-nine thousand, eight hundred fifty-four".