47936279 has 2 divisors, whose sum is σ = 47936280. Its totient is φ = 47936278.

The previous prime is 47936269. The next prime is 47936351. The reversal of 47936279 is 97263974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47936279 - 2¹⁶ = 47870743 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47936219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23968139 + 23968140.

It is an arithmetic number, because the mean of its divisors is an integer number (23968140).

Almost surely, 2^47936279 is an apocalyptic number.

47936279 is a deficient number, since it is larger than the sum of its proper divisors (1).

47936279 is an equidigital number, since it uses as much as digits as its factorization.

47936279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 47.

The square root of 47936279 is about 6923.6030359922. The cubic root of 47936279 is about 363.2632296547.

The spelling of 47936279 in words is "forty-seven million, nine hundred thirty-six thousand, two hundred seventy-nine".