28796053636 has 243 divisors, whose sum is σ = 67264458597. Its totient is φ = 10751811840.

The previous prime is 28796053609. The next prime is 28796053661. The reversal of 28796053636 is 63635069782.

The square root of 28796053636 is 169694.

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

It can be written as a sum of positive squares in only one way, i.e., 22419072900 + 6376980736 = 149730^2 + 79856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 928904941 + ... + 928904971.

Almost surely, 2^28796053636 is an apocalyptic number.

28796053636 is the 169694-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28796053636

28796053636 is an abundant number, since it is smaller than the sum of its proper divisors (38468404961).

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

28796053636 is a wasteful number, since it uses less digits than its factorization.

28796053636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 28796053636 in words is "twenty-eight billion, seven hundred ninety-six million, fifty-three thousand, six hundred thirty-six".