47279725399 has 4 divisors (see below), whose sum is σ = 47360270664. Its totient is φ = 47199180136.

The previous prime is 47279725391. The next prime is 47279725403. The reversal of 47279725399 is 99352797274.

47279725399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47279725399 - 2³ = 47279725391 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 47279725399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47279725391) 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, 40271752 + ... + 40272925.

It is an arithmetic number, because the mean of its divisors is an integer number (11840067666).

Almost surely, 2^47279725399 is an apocalyptic number.

47279725399 is a deficient number, since it is larger than the sum of its proper divisors (80545265).

47279725399 is an equidigital number, since it uses as much as digits as its factorization.

47279725399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80545264.

The product of its digits is 60011280, while the sum is 64.

The spelling of 47279725399 in words is "forty-seven billion, two hundred seventy-nine million, seven hundred twenty-five thousand, three hundred ninety-nine".