28959834863 has 2 divisors, whose sum is σ = 28959834864. Its totient is φ = 28959834862.

The previous prime is 28959834821. The next prime is 28959834889. The reversal of 28959834863 is 36843895982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28959834863 - 2²⁰ = 28958786287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28959834863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28959824863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14479917431 + 14479917432.

It is an arithmetic number, because the mean of its divisors is an integer number (14479917432).

Almost surely, 2^28959834863 is an apocalyptic number.

28959834863 is a deficient number, since it is larger than the sum of its proper divisors (1).

28959834863 is an equidigital number, since it uses as much as digits as its factorization.

28959834863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89579520, while the sum is 65.

The spelling of 28959834863 in words is "twenty-eight billion, nine hundred fifty-nine million, eight hundred thirty-four thousand, eight hundred sixty-three".