28358252863 has 4 divisors (see below), whose sum is σ = 28359834048. Its totient is φ = 28356671680.

The previous prime is 28358252861. The next prime is 28358252869. The reversal of 28358252863 is 36825285382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28358252863 - 2¹ = 28358252861 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 28358252863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28358252861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763378 + ... + 799663.

It is an arithmetic number, because the mean of its divisors is an integer number (7089958512).

Almost surely, 2^28358252863 is an apocalyptic number.

28358252863 is a deficient number, since it is larger than the sum of its proper divisors (1581185).

28358252863 is a wasteful number, since it uses less digits than its factorization.

28358252863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581184.

The product of its digits is 5529600, while the sum is 52.

The spelling of 28358252863 in words is "twenty-eight billion, three hundred fifty-eight million, two hundred fifty-two thousand, eight hundred sixty-three".