84853947 has 16 divisors (see below), whose sum is σ = 114465312. Its totient is φ = 55910400.

The previous prime is 84853939. The next prime is 84853949. The reversal of 84853947 is 74935848.

It is not a de Polignac number, because 84853947 - 2³ = 84853939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84853896 and 84853905.

It is not an unprimeable number, because it can be changed into a prime (84853949) 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, 120697 + ... + 121397.

It is an arithmetic number, because the mean of its divisors is an integer number (7154082).

Almost surely, 2^84853947 is an apocalyptic number.

84853947 is a deficient number, since it is larger than the sum of its proper divisors (29611365).

84853947 is a wasteful number, since it uses less digits than its factorization.

84853947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118.

The product of its digits is 967680, while the sum is 48.

The square root of 84853947 is about 9211.6202157927. The cubic root of 84853947 is about 439.4309914029.

The spelling of 84853947 in words is "eighty-four million, eight hundred fifty-three thousand, nine hundred forty-seven".