28942654844 has 6 divisors (see below), whose sum is σ = 50649645984. Its totient is φ = 14471327420.

The previous prime is 28942654823. The next prime is 28942654879. The reversal of 28942654844 is 44845624982.

It is a self number, because there is not a number n which added to its sum of digits gives 28942654844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3617831852 + ... + 3617831859.

It is an arithmetic number, because the mean of its divisors is an integer number (8441607664).

Almost surely, 2^28942654844 is an apocalyptic number.

It is an amenable number.

28942654844 is a deficient number, since it is larger than the sum of its proper divisors (21706991140).

28942654844 is a wasteful number, since it uses less digits than its factorization.

28942654844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235663715 (or 7235663713 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 56.

The spelling of 28942654844 in words is "twenty-eight billion, nine hundred forty-two million, six hundred fifty-four thousand, eight hundred forty-four".