28714428748 has 12 divisors (see below), whose sum is σ = 53206147512. Its totient is φ = 13512672320.

The previous prime is 28714428739. The next prime is 28714428751. The reversal of 28714428748 is 84782441782.

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, 211135438 + ... + 211135573.

It is an arithmetic number, because the mean of its divisors is an integer number (4433845626).

Almost surely, 2^28714428748 is an apocalyptic number.

It is an amenable number.

28714428748 is a deficient number, since it is larger than the sum of its proper divisors (24491718764).

28714428748 is a wasteful number, since it uses less digits than its factorization.

28714428748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422271032 (or 422271030 counting only the distinct ones).

The product of its digits is 6422528, while the sum is 55.

The spelling of 28714428748 in words is "twenty-eight billion, seven hundred fourteen million, four hundred twenty-eight thousand, seven hundred forty-eight".