315077928 has 64 divisors (see below), whose sum is σ = 871128000. Its totient is φ = 94164480.

The previous prime is 315077923. The next prime is 315077957. The reversal of 315077928 is 829770513.

It is a self number, because there is not a number n which added to its sum of digits gives 315077928.

It is not an unprimeable number, because it can be changed into a prime (315077923) 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, 11098 + ... + 27446.

It is an arithmetic number, because the mean of its divisors is an integer number (13611375).

Almost surely, 2^315077928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315077928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435564000).

315077928 is an abundant number, since it is smaller than the sum of its proper divisors (556050072).

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

315077928 is a wasteful number, since it uses less digits than its factorization.

315077928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16442 (or 16438 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 315077928 is about 17750.4345862291. The cubic root of 315077928 is about 680.4653158887.

The spelling of 315077928 in words is "three hundred fifteen million, seventy-seven thousand, nine hundred twenty-eight".