28927663116 has 36 divisors (see below), whose sum is σ = 74191889016. Its totient is φ = 8765958080.

The previous prime is 28927663081. The next prime is 28927663157. The reversal of 28927663116 is 61136672982.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9959865 + ... + 9962768.

It is an arithmetic number, because the mean of its divisors is an integer number (2060885806).

Almost surely, 2^28927663116 is an apocalyptic number.

It is an amenable number.

28927663116 is an abundant number, since it is smaller than the sum of its proper divisors (45264225900).

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

28927663116 is a wasteful number, since it uses less digits than its factorization.

28927663116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19922662 (or 19922649 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The spelling of 28927663116 in words is "twenty-eight billion, nine hundred twenty-seven million, six hundred sixty-three thousand, one hundred sixteen".