28714658116 has 27 divisors (see below), whose sum is σ = 50627691261. Its totient is φ = 14250403584.

The previous prime is 28714658111. The next prime is 28714658153. The reversal of 28714658116 is 61185641782.

The square root of 28714658116 is 169454.

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., 6957228100 + 21757430016 = 83410^2 + 147504^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28714658116.

It is not an unprimeable number, because it can be changed into a prime (28714658111) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65409025 + ... + 65409463.

Almost surely, 2^28714658116 is an apocalyptic number.

28714658116 is the 169454-th square number.

It is an amenable number.

28714658116 is a deficient number, since it is larger than the sum of its proper divisors (21913033145).

28714658116 is an frugal number, since it uses more digits than its factorization.

28714658116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 634 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

Multiplying 28714658116 by its sum of digits (49), we get a square (1407018247684 = 1186178²).

The spelling of 28714658116 in words is "twenty-eight billion, seven hundred fourteen million, six hundred fifty-eight thousand, one hundred sixteen".