47936479 has 2 divisors, whose sum is σ = 47936480. Its totient is φ = 47936478.

The previous prime is 47936477. The next prime is 47936491. The reversal of 47936479 is 97463974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47936479 - 2¹ = 47936477 is a prime.

Together with 47936477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47936477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23968239 + 23968240.

It is an arithmetic number, because the mean of its divisors is an integer number (23968240).

Almost surely, 2^47936479 is an apocalyptic number.

47936479 is a deficient number, since it is larger than the sum of its proper divisors (1).

47936479 is an equidigital number, since it uses as much as digits as its factorization.

47936479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 49.

The square root of 47936479 is about 6923.6174793239. The cubic root of 47936479 is about 363.2637348569.

The spelling of 47936479 in words is "forty-seven million, nine hundred thirty-six thousand, four hundred seventy-nine".