28614472279 has 4 divisors (see below), whose sum is σ = 28616761440. Its totient is φ = 28612183120.

The previous prime is 28614472253. The next prime is 28614472291. The reversal of 28614472279 is 97227441682.

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 28614472279 - 2¹⁹ = 28613947991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28614472219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125727 + ... + 1150864.

It is an arithmetic number, because the mean of its divisors is an integer number (7154190360).

Almost surely, 2^28614472279 is an apocalyptic number.

28614472279 is a deficient number, since it is larger than the sum of its proper divisors (2289161).

28614472279 is a wasteful number, since it uses less digits than its factorization.

28614472279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289160.

The product of its digits is 2709504, while the sum is 52.

The spelling of 28614472279 in words is "twenty-eight billion, six hundred fourteen million, four hundred seventy-two thousand, two hundred seventy-nine".