28003875279 has 8 divisors (see below), whose sum is σ = 37386806832. Its totient is φ = 18645096960.

The previous prime is 28003875271. The next prime is 28003875299. The reversal of 28003875279 is 97257830082.

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

It is not a de Polignac number, because 28003875279 - 2³ = 28003875271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28003875271) 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, 6035602 + ... + 6040239.

It is an arithmetic number, because the mean of its divisors is an integer number (4673350854).

Almost surely, 2^28003875279 is an apocalyptic number.

28003875279 is a deficient number, since it is larger than the sum of its proper divisors (9382931553).

28003875279 is a wasteful number, since it uses less digits than its factorization.

28003875279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076617.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 28003875279 in words is "twenty-eight billion, three million, eight hundred seventy-five thousand, two hundred seventy-nine".