28197652796 has 12 divisors (see below), whose sum is σ = 49348015248. Its totient is φ = 14098219872.

The previous prime is 28197652787. The next prime is 28197652801. The reversal of 28197652796 is 69725679182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37481 + ... + 240416.

It is an arithmetic number, because the mean of its divisors is an integer number (4112334604).

Almost surely, 2^28197652796 is an apocalyptic number.

It is an amenable number.

28197652796 is a deficient number, since it is larger than the sum of its proper divisors (21150362452).

28197652796 is a wasteful number, since it uses less digits than its factorization.

28197652796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303268 (or 303266 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 62.

The spelling of 28197652796 in words is "twenty-eight billion, one hundred ninety-seven million, six hundred fifty-two thousand, seven hundred ninety-six".