28626828484 has 12 divisors (see below), whose sum is σ = 50700528144. Its totient is φ = 14140963304.

The previous prime is 28626828469. The next prime is 28626828539. The reversal of 28626828484 is 48482862682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43112362 + ... + 43113025.

It is an arithmetic number, because the mean of its divisors is an integer number (4225044012).

Almost surely, 2^28626828484 is an apocalyptic number.

It is an amenable number.

28626828484 is a deficient number, since it is larger than the sum of its proper divisors (22073699660).

28626828484 is a wasteful number, since it uses less digits than its factorization.

28626828484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86225474 (or 86225472 counting only the distinct ones).

The product of its digits is 18874368, while the sum is 58.

The spelling of 28626828484 in words is "twenty-eight billion, six hundred twenty-six million, eight hundred twenty-eight thousand, four hundred eighty-four".