28955786896 has 45 divisors (see below), whose sum is σ = 59236428771. Its totient is φ = 13709773152.

The previous prime is 28955786833. The next prime is 28955786903. The reversal of 28955786896 is 69868755982.

The square root of 28955786896 is 170164.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12931345 + ... + 12933583.

Almost surely, 2^28955786896 is an apocalyptic number.

28955786896 is the 170164-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28955786896

28955786896 is an abundant number, since it is smaller than the sum of its proper divisors (30280641875).

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

28955786896 is an frugal number, since it uses more digits than its factorization.

28955786896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524 (or 2260 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 73.

The spelling of 28955786896 in words is "twenty-eight billion, nine hundred fifty-five million, seven hundred eighty-six thousand, eight hundred ninety-six".