23827467979 has 4 divisors (see below), whose sum is σ = 27231391984. Its totient is φ = 20423543976.

The previous prime is 23827467953. The next prime is 23827467991. The reversal of 23827467979 is 97976472832.

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 23827467979 - 2³¹ = 21679984331 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 23827467979.

It is not an unprimeable number, because it can be changed into a prime (23827467929) 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, 1701961992 + ... + 1701962005.

It is an arithmetic number, because the mean of its divisors is an integer number (6807847996).

Almost surely, 2^23827467979 is an apocalyptic number.

23827467979 is a deficient number, since it is larger than the sum of its proper divisors (3403924005).

23827467979 is an equidigital number, since it uses as much as digits as its factorization.

23827467979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403924004.

The product of its digits is 64012032, while the sum is 64.

The spelling of 23827467979 in words is "twenty-three billion, eight hundred twenty-seven million, four hundred sixty-seven thousand, nine hundred seventy-nine".