27875872279 has 4 divisors (see below), whose sum is σ = 27880619760. Its totient is φ = 27871124800.

The previous prime is 27875872267. The next prime is 27875872301. The reversal of 27875872279 is 97227857872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27875872279 - 2⁷ = 27875872151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27875872279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27875872229) 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 3 ways as a sum of consecutive naturals, for example, 2364922 + ... + 2376679.

It is an arithmetic number, because the mean of its divisors is an integer number (6970154940).

Almost surely, 2^27875872279 is an apocalyptic number.

27875872279 is a deficient number, since it is larger than the sum of its proper divisors (4747481).

27875872279 is an equidigital number, since it uses as much as digits as its factorization.

27875872279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747480.

The product of its digits is 55319040, while the sum is 64.

The spelling of 27875872279 in words is "twenty-seven billion, eight hundred seventy-five million, eight hundred seventy-two thousand, two hundred seventy-nine".