28002739108 has 24 divisors (see below), whose sum is σ = 51782734080. Its totient is φ = 13223084160.

The previous prime is 28002739103. The next prime is 28002739109. The reversal of 28002739108 is 80193720082.

It is not an unprimeable number, because it can be changed into a prime (28002739103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1919173 + ... + 1933708.

It is an arithmetic number, because the mean of its divisors is an integer number (2157613920).

Almost surely, 2^28002739108 is an apocalyptic number.

It is an amenable number.

28002739108 is a deficient number, since it is larger than the sum of its proper divisors (23779994972).

28002739108 is a wasteful number, since it uses less digits than its factorization.

28002739108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852987 (or 3852985 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 28002739108 in words is "twenty-eight billion, two million, seven hundred thirty-nine thousand, one hundred eight".