84671147 has 8 divisors (see below), whose sum is σ = 92774640. Its totient is φ = 76635360.

The previous prime is 84671141. The next prime is 84671159. The reversal of 84671147 is 74117648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84671147 - 2⁴ = 84671131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84671147.

It is not an unprimeable number, because it can be changed into a prime (84671141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14288 + ... + 19325.

It is an arithmetic number, because the mean of its divisors is an integer number (11596830).

Almost surely, 2^84671147 is an apocalyptic number.

84671147 is a deficient number, since it is larger than the sum of its proper divisors (8103493).

84671147 is a wasteful number, since it uses less digits than its factorization.

84671147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33853.

The product of its digits is 37632, while the sum is 38.

The square root of 84671147 is about 9201.6926160354. The cubic root of 84671147 is about 439.1152106193.

The spelling of 84671147 in words is "eighty-four million, six hundred seventy-one thousand, one hundred forty-seven".