28318153863 has 16 divisors (see below), whose sum is σ = 39403846656. Its totient is φ = 18055810080.

The previous prime is 28318153837. The next prime is 28318153867. The reversal of 28318153863 is 36835181382.

It is not a de Polignac number, because 28318153863 - 2¹³ = 28318145671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28318153867) 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, 728818 + ... + 766688.

It is an arithmetic number, because the mean of its divisors is an integer number (2462740416).

Almost surely, 2^28318153863 is an apocalyptic number.

28318153863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28318153863 is a deficient number, since it is larger than the sum of its proper divisors (11085692793).

28318153863 is a wasteful number, since it uses less digits than its factorization.

28318153863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48734.

The product of its digits is 829440, while the sum is 48.

The spelling of 28318153863 in words is "twenty-eight billion, three hundred eighteen million, one hundred fifty-three thousand, eight hundred sixty-three".