28125759 has 8 divisors (see below), whose sum is σ = 37658880. Its totient is φ = 18671576.

The previous prime is 28125743. The next prime is 28125761. The reversal of 28125759 is 95752182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28125759 - 2⁴ = 28125743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28125709) 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, 18897 + ... + 20330.

It is an arithmetic number, because the mean of its divisors is an integer number (4707360).

Almost surely, 2^28125759 is an apocalyptic number.

28125759 is a deficient number, since it is larger than the sum of its proper divisors (9533121).

28125759 is a wasteful number, since it uses less digits than its factorization.

28125759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39469.

The product of its digits is 50400, while the sum is 39.

The square root of 28125759 is about 5303.3724176226. The cubic root of 28125759 is about 304.1128353934.

The spelling of 28125759 in words is "twenty-eight million, one hundred twenty-five thousand, seven hundred fifty-nine".