47965447 has 2 divisors, whose sum is σ = 47965448. Its totient is φ = 47965446.

The previous prime is 47965441. The next prime is 47965457. The reversal of 47965447 is 74456974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47965447 - 2³ = 47965439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47965397 and 47965406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47965441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23982723 + 23982724.

It is an arithmetic number, because the mean of its divisors is an integer number (23982724).

Almost surely, 2^47965447 is an apocalyptic number.

47965447 is a deficient number, since it is larger than the sum of its proper divisors (1).

47965447 is an equidigital number, since it uses as much as digits as its factorization.

47965447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 46.

The square root of 47965447 is about 6925.7091333668. The cubic root of 47965447 is about 363.3368935113.

The spelling of 47965447 in words is "forty-seven million, nine hundred sixty-five thousand, four hundred forty-seven".