28142391759 has 16 divisors (see below), whose sum is σ = 39678342144. Its totient is φ = 17713540800.

The previous prime is 28142391757. The next prime is 28142391779. The reversal of 28142391759 is 95719324182.

It is not a de Polignac number, because 28142391759 - 2¹ = 28142391757 is a prime.

It is a super-2 number, since 2×28142391759² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28142391751) 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, 3686509 + ... + 3694134.

It is an arithmetic number, because the mean of its divisors is an integer number (2479896384).

Almost surely, 2^28142391759 is an apocalyptic number.

28142391759 is a deficient number, since it is larger than the sum of its proper divisors (11535950385).

28142391759 is a wasteful number, since it uses less digits than its factorization.

28142391759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380718.

The product of its digits is 1088640, while the sum is 51.

The spelling of 28142391759 in words is "twenty-eight billion, one hundred forty-two million, three hundred ninety-one thousand, seven hundred fifty-nine".