28313885926324 has 24 divisors (see below), whose sum is σ = 49558942443528. Its totient is φ = 14154188390400.

The previous prime is 28313885926309. The next prime is 28313885926343. The reversal of 28313885926324 is 42362958831382.

It can be written as a sum of positive squares in 4 ways, for example, as 6215707169424 + 22098178756900 = 2493132^2 + 4700870^2 .

It is a super-2 number, since 2×28313885926324² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537514452 + ... + 537567124.

It is an arithmetic number, because the mean of its divisors is an integer number (2064955935147).

Almost surely, 2^{28313885926324} is an apocalyptic number.

It is an amenable number.

28313885926324 is a deficient number, since it is larger than the sum of its proper divisors (21245056517204).

28313885926324 is a wasteful number, since it uses less digits than its factorization.

28313885926324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76275 (or 76273 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 64.

The spelling of 28313885926324 in words is "twenty-eight trillion, three hundred thirteen billion, eight hundred eighty-five million, nine hundred twenty-six thousand, three hundred twenty-four".