28372305352356 has 81 divisors (see below), whose sum is σ = 83428746193611. Its totient is φ = 8106309039024.

The previous prime is 28372305352319. The next prime is 28372305352361. The reversal of 28372305352356 is 65325350327382.

The square root of 28372305352356 is 5326566.

It is a perfect power (a square), and thus also a powerful number.

28372305352356 is a `hidden beast` number, since 2 + 8 + 3 + 7 + 2 + 30 + 535 + 23 + 56 = 666.

It is a super-2 number, since 2×28372305352356² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 223652361 + ... + 223779183.

Almost surely, 2^{28372305352356} is an apocalyptic number.

28372305352356 is the 5326566-th square number.

It is an amenable number.

28372305352356 is an abundant number, since it is smaller than the sum of its proper divisors (55056440841255).

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

28372305352356 is an frugal number, since it uses more digits than its factorization.

28372305352356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253670 (or 126835 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 54.

The spelling of 28372305352356 in words is "twenty-eight trillion, three hundred seventy-two billion, three hundred five million, three hundred fifty-two thousand, three hundred fifty-six".