28300575279 has 8 divisors (see below), whose sum is σ = 38005569280. Its totient is φ = 18731315736.

The previous prime is 28300575263. The next prime is 28300575283. The reversal of 28300575279 is 97257500382.

It is a happy number.

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

It is not a de Polignac number, because 28300575279 - 2⁴ = 28300575263 is a prime.

It is a super-2 number, since 2×28300575279² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28300575299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33933127 + ... + 33933960.

It is an arithmetic number, because the mean of its divisors is an integer number (4750696160).

Almost surely, 2^28300575279 is an apocalyptic number.

28300575279 is a deficient number, since it is larger than the sum of its proper divisors (9704994001).

28300575279 is a wasteful number, since it uses less digits than its factorization.

28300575279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67867229.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 28300575279 in words is "twenty-eight billion, three hundred million, five hundred seventy-five thousand, two hundred seventy-nine".