47084147 has 24 divisors (see below), whose sum is σ = 55302912. Its totient is φ = 39740400.

The previous prime is 47084137. The next prime is 47084153. The reversal of 47084147 is 74148074.

It is not a de Polignac number, because 47084147 - 2⁸ = 47083891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47084117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281858 + ... + 282024.

It is an arithmetic number, because the mean of its divisors is an integer number (2304288).

Almost surely, 2^47084147 is an apocalyptic number.

47084147 is a deficient number, since it is larger than the sum of its proper divisors (8218765).

47084147 is a wasteful number, since it uses less digits than its factorization.

47084147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 47084147 is about 6861.7889066919. The cubic root of 47084147 is about 361.0978497449.

The spelling of 47084147 in words is "forty-seven million, eighty-four thousand, one hundred forty-seven".