28546129936 has 15 divisors (see below), whose sum is σ = 55309436191. Its totient is φ = 14272727056.

The previous prime is 28546129919. The next prime is 28546129951. The reversal of 28546129936 is 63992164582.

The square root of 28546129936 is 168956.

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 2 ways as a sum of consecutive naturals, for example, 654705 + ... + 696943.

Almost surely, 2^28546129936 is an apocalyptic number.

28546129936 is the 168956-th square number.

It is an amenable number.

28546129936 is a deficient number, since it is larger than the sum of its proper divisors (26763306255).

28546129936 is an frugal number, since it uses more digits than its factorization.

28546129936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84486 (or 42241 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 55.

The spelling of 28546129936 in words is "twenty-eight billion, five hundred forty-six million, one hundred twenty-nine thousand, nine hundred thirty-six".