28634947159 has 32 divisors (see below), whose sum is σ = 36529758720. Its totient is φ = 21832094592.

The previous prime is 28634947153. The next prime is 28634947183. The reversal of 28634947159 is 95174943682.

It is not a de Polignac number, because 28634947159 - 2⁵ = 28634947127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28634947153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369824 + ... + 1390570.

It is an arithmetic number, because the mean of its divisors is an integer number (1141554960).

Almost surely, 2^28634947159 is an apocalyptic number.

28634947159 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28634947159 is a deficient number, since it is larger than the sum of its proper divisors (7894811561).

28634947159 is a wasteful number, since it uses less digits than its factorization.

28634947159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319.

The product of its digits is 13063680, while the sum is 58.

The spelling of 28634947159 in words is "twenty-eight billion, six hundred thirty-four million, nine hundred forty-seven thousand, one hundred fifty-nine".