28611872282 has 32 divisors (see below), whose sum is σ = 50667724800. Its totient is φ = 11858102640.

The previous prime is 28611872257. The next prime is 28611872353. The reversal of 28611872282 is 28227811682.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596219 + ... + 642417.

It is an arithmetic number, because the mean of its divisors is an integer number (1583366400).

Almost surely, 2^28611872282 is an apocalyptic number.

28611872282 is a deficient number, since it is larger than the sum of its proper divisors (22055852518).

28611872282 is a wasteful number, since it uses less digits than its factorization.

28611872282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47666.

The product of its digits is 344064, while the sum is 47.

The spelling of 28611872282 in words is "twenty-eight billion, six hundred eleven million, eight hundred seventy-two thousand, two hundred eighty-two".