24879545279 has 4 divisors (see below), whose sum is σ = 24888317784. Its totient is φ = 24870772776.

The previous prime is 24879545227. The next prime is 24879545293. The reversal of 24879545279 is 97254597842.

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 24879545279 - 2⁸ = 24879545023 is a prime.

It is a super-2 number, since 2×24879545279² (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 (24879545219) 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, 4381997 + ... + 4387670.

It is an arithmetic number, because the mean of its divisors is an integer number (6222079446).

Almost surely, 2^24879545279 is an apocalyptic number.

24879545279 is a deficient number, since it is larger than the sum of its proper divisors (8772505).

24879545279 is an equidigital number, since it uses as much as digits as its factorization.

24879545279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772504.

The product of its digits is 50803200, while the sum is 62.

The spelling of 24879545279 in words is "twenty-four billion, eight hundred seventy-nine million, five hundred forty-five thousand, two hundred seventy-nine".