28900853839 has 16 divisors (see below), whose sum is σ = 33960568320. Its totient is φ = 24247380960.

The previous prime is 28900853827. The next prime is 28900853851. The reversal of 28900853839 is 93835800982.

It is an interprime number because it is at equal distance from previous prime (28900853827) and next prime (28900853851).

It is not a de Polignac number, because 28900853839 - 2¹³ = 28900845647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28900853839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28900853869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765054 + ... + 801940.

It is an arithmetic number, because the mean of its divisors is an integer number (2122535520).

Almost surely, 2^28900853839 is an apocalyptic number.

28900853839 is a deficient number, since it is larger than the sum of its proper divisors (5059714481).

28900853839 is a wasteful number, since it uses less digits than its factorization.

28900853839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42390.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 28900853839 in words is "twenty-eight billion, nine hundred million, eight hundred fifty-three thousand, eight hundred thirty-nine".