28575966315 has 64 divisors (see below), whose sum is σ = 53816942592. Its totient is φ = 12813465600.

The previous prime is 28575966277. The next prime is 28575966317. The reversal of 28575966315 is 51366957582.

It is not a de Polignac number, because 28575966315 - 2¹⁴ = 28575949931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28575966317) 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 63 ways as a sum of consecutive naturals, for example, 36271 + ... + 241800.

It is an arithmetic number, because the mean of its divisors is an integer number (840889728).

Almost surely, 2^28575966315 is an apocalyptic number.

28575966315 is a deficient number, since it is larger than the sum of its proper divisors (25240976277).

28575966315 is a wasteful number, since it uses less digits than its factorization.

28575966315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278140.

The product of its digits is 13608000, while the sum is 57.

The spelling of 28575966315 in words is "twenty-eight billion, five hundred seventy-five million, nine hundred sixty-six thousand, three hundred fifteen".