28842370724 has 6 divisors (see below), whose sum is σ = 50474148774. Its totient is φ = 14421185360.

The previous prime is 28842370717. The next prime is 28842370771. The reversal of 28842370724 is 42707324882.

It can be written as a sum of positive squares in only one way, i.e., 18446529124 + 10395841600 = 135818^2 + 101960^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3605296337 + ... + 3605296344.

It is an arithmetic number, because the mean of its divisors is an integer number (8412358129).

Almost surely, 2^28842370724 is an apocalyptic number.

It is an amenable number.

28842370724 is a deficient number, since it is larger than the sum of its proper divisors (21631778050).

28842370724 is a wasteful number, since it uses less digits than its factorization.

28842370724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7210592685 (or 7210592683 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 47.

The spelling of 28842370724 in words is "twenty-eight billion, eight hundred forty-two million, three hundred seventy thousand, seven hundred twenty-four".