47299847 has 6 divisors (see below), whose sum is σ = 55022328. Its totient is φ = 40542684.

The previous prime is 47299817. The next prime is 47299849. The reversal of 47299847 is 74899274.

It is not a de Polignac number, because 47299847 - 2¹⁸ = 47037703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47299795 and 47299804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47299849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 482603 + ... + 482700.

It is an arithmetic number, because the mean of its divisors is an integer number (9170388).

Almost surely, 2^47299847 is an apocalyptic number.

47299847 is a deficient number, since it is larger than the sum of its proper divisors (7722481).

47299847 is an equidigital number, since it uses as much as digits as its factorization.

47299847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965317 (or 965310 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 47299847 is about 6877.4884223821. The cubic root of 47299847 is about 361.6484254877.

The spelling of 47299847 in words is "forty-seven million, two hundred ninety-nine thousand, eight hundred forty-seven".