28956652999 has 16 divisors (see below), whose sum is σ = 30347725824. Its totient is φ = 27576806400.

The previous prime is 28956652937. The next prime is 28956653009. The reversal of 28956652999 is 99925665982.

It is a cyclic number.

It is not a de Polignac number, because 28956652999 - 2¹³ = 28956644807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28956652799) 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, 8245654 + ... + 8249164.

It is an arithmetic number, because the mean of its divisors is an integer number (1896732864).

Almost surely, 2^28956652999 is an apocalyptic number.

28956652999 is a deficient number, since it is larger than the sum of its proper divisors (1391072825).

28956652999 is a wasteful number, since it uses less digits than its factorization.

28956652999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998.

The product of its digits is 188956800, while the sum is 70.

The spelling of 28956652999 in words is "twenty-eight billion, nine hundred fifty-six million, six hundred fifty-two thousand, nine hundred ninety-nine".