28140759 has 24 divisors (see below), whose sum is σ = 42410160. Its totient is φ = 17958528.

The previous prime is 28140743. The next prime is 28140781. The reversal of 28140759 is 95704182.

It is not a de Polignac number, because 28140759 - 2⁴ = 28140743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28140709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35364 + ... + 36150.

It is an arithmetic number, because the mean of its divisors is an integer number (1767090).

Almost surely, 2^28140759 is an apocalyptic number.

28140759 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28140759 is a deficient number, since it is larger than the sum of its proper divisors (14269401).

28140759 is a wasteful number, since it uses less digits than its factorization.

28140759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 28140759 is about 5304.7864235990. The cubic root of 28140759 is about 304.1668888303.

The spelling of 28140759 in words is "twenty-eight million, one hundred forty thousand, seven hundred fifty-nine".