28899942802735 has 16 divisors (see below), whose sum is σ = 36722316033216. Its totient is φ = 21758541403648.

The previous prime is 28899942802729. The next prime is 28899942802771. The reversal of 28899942802735 is 53720824999882.

It is a cyclic number.

It is not a de Polignac number, because 28899942802735 - 2³ = 28899942802727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9743584 + ... + 12358693.

It is an arithmetic number, because the mean of its divisors is an integer number (2295144752076).

Almost surely, 2^{28899942802735} is an apocalyptic number.

28899942802735 is a deficient number, since it is larger than the sum of its proper divisors (7822373230481).

28899942802735 is a wasteful number, since it uses less digits than its factorization.

28899942802735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22117682.

The product of its (nonzero) digits is 1254113280, while the sum is 76.

The spelling of 28899942802735 in words is "twenty-eight trillion, eight hundred ninety-nine billion, nine hundred forty-two million, eight hundred two thousand, seven hundred thirty-five".