84850447 has 16 divisors (see below), whose sum is σ = 98017920. Its totient is φ = 72640800.

The previous prime is 84850429. The next prime is 84850453. The reversal of 84850447 is 74405848.

It is not a de Polignac number, because 84850447 - 2¹¹ = 84848399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84850487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36708 + ... + 38950.

It is an arithmetic number, because the mean of its divisors is an integer number (6126120).

Almost surely, 2^84850447 is an apocalyptic number.

84850447 is a deficient number, since it is larger than the sum of its proper divisors (13167473).

84850447 is a wasteful number, since it uses less digits than its factorization.

84850447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454.

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 84850447 is about 9211.4302363965. The cubic root of 84850447 is about 439.4249495326.

The spelling of 84850447 in words is "eighty-four million, eight hundred fifty thousand, four hundred forty-seven".