28213544204 has 6 divisors (see below), whose sum is σ = 49373702364. Its totient is φ = 14106772100.

The previous prime is 28213544197. The next prime is 28213544213. The reversal of 28213544204 is 40244531282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3526693022 + ... + 3526693029.

It is an arithmetic number, because the mean of its divisors is an integer number (8228950394).

Almost surely, 2^28213544204 is an apocalyptic number.

It is an amenable number.

28213544204 is a deficient number, since it is larger than the sum of its proper divisors (21160158160).

28213544204 is a wasteful number, since it uses less digits than its factorization.

28213544204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053386055 (or 7053386053 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The spelling of 28213544204 in words is "twenty-eight billion, two hundred thirteen million, five hundred forty-four thousand, two hundred four".