28017975459 has 8 divisors (see below), whose sum is σ = 37869044752. Its totient is φ = 18422778240.

The previous prime is 28017975421. The next prime is 28017975467. The reversal of 28017975459 is 95457971082.

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

It is not a de Polignac number, because 28017975459 - 2⁸ = 28017975203 is a prime.

It is a super-2 number, since 2×28017975459² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28017975399 and 28017975408.

It is not an unprimeable number, because it can be changed into a prime (28017975499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63967762 + ... + 63968199.

It is an arithmetic number, because the mean of its divisors is an integer number (4733630594).

Almost surely, 2^28017975459 is an apocalyptic number.

28017975459 is a deficient number, since it is larger than the sum of its proper divisors (9851069293).

28017975459 is a wasteful number, since it uses less digits than its factorization.

28017975459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127936037.

The product of its (nonzero) digits is 6350400, while the sum is 57.

The spelling of 28017975459 in words is "twenty-eight billion, seventeen million, nine hundred seventy-five thousand, four hundred fifty-nine".