28294960272 has 80 divisors (see below), whose sum is σ = 78334926720. Its totient is φ = 8777742336.

The previous prime is 28294960271. The next prime is 28294960277. The reversal of 28294960272 is 27206949282.

It is not an unprimeable number, because it can be changed into a prime (28294960271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305497 + ... + 387192.

It is an arithmetic number, because the mean of its divisors is an integer number (979186584).

Almost surely, 2^28294960272 is an apocalyptic number.

It is an amenable number.

28294960272 is an abundant number, since it is smaller than the sum of its proper divisors (50039966448).

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

28294960272 is a wasteful number, since it uses less digits than its factorization.

28294960272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692760 (or 692754 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 28294960272 in words is "twenty-eight billion, two hundred ninety-four million, nine hundred sixty thousand, two hundred seventy-two".