25348843879 has 4 divisors (see below), whose sum is σ = 25353962584. Its totient is φ = 25343725176.

The previous prime is 25348843873. The next prime is 25348843907. The reversal of 25348843879 is 97834884352.

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 25348843879 - 2²¹ = 25346746727 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 (25348843873) 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, 2551917 + ... + 2561830.

It is an arithmetic number, because the mean of its divisors is an integer number (6338490646).

Almost surely, 2^25348843879 is an apocalyptic number.

25348843879 is a deficient number, since it is larger than the sum of its proper divisors (5118705).

25348843879 is an equidigital number, since it uses as much as digits as its factorization.

25348843879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118704.

The product of its digits is 46448640, while the sum is 61.

The spelling of 25348843879 in words is "twenty-five billion, three hundred forty-eight million, eight hundred forty-three thousand, eight hundred seventy-nine".