28854188716 has 12 divisors (see below), whose sum is σ = 50498278488. Its totient is φ = 14426109152.

The previous prime is 28854188681. The next prime is 28854188761. The reversal of 28854188716 is 61788145882.

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, 178321 + ... + 299176.

It is an arithmetic number, because the mean of its divisors is an integer number (4208189874).

Almost surely, 2^28854188716 is an apocalyptic number.

It is an amenable number.

28854188716 is a deficient number, since it is larger than the sum of its proper divisors (21644089772).

28854188716 is a wasteful number, since it uses less digits than its factorization.

28854188716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492608 (or 492606 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 58.

The spelling of 28854188716 in words is "twenty-eight billion, eight hundred fifty-four million, one hundred eighty-eight thousand, seven hundred sixteen".