28132759894 has 16 divisors (see below), whose sum is σ = 43351881696. Its totient is φ = 13682347200.

The previous prime is 28132759891. The next prime is 28132759909. The reversal of 28132759894 is 49895723182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28132759891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219874 + ... + 323434.

It is an arithmetic number, because the mean of its divisors is an integer number (2709492606).

Almost surely, 2^28132759894 is an apocalyptic number.

28132759894 is a deficient number, since it is larger than the sum of its proper divisors (15219121802).

28132759894 is a wasteful number, since it uses less digits than its factorization.

28132759894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107271.

The product of its digits is 8709120, while the sum is 58.

The spelling of 28132759894 in words is "twenty-eight billion, one hundred thirty-two million, seven hundred fifty-nine thousand, eight hundred ninety-four".