84536851 has 4 divisors (see below), whose sum is σ = 96613552. Its totient is φ = 72460152.

The previous prime is 84536849. The next prime is 84536857. The reversal of 84536851 is 15863548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84536851 - 2¹ = 84536849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84536857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6038340 + ... + 6038353.

It is an arithmetic number, because the mean of its divisors is an integer number (24153388).

Almost surely, 2^84536851 is an apocalyptic number.

84536851 is a deficient number, since it is larger than the sum of its proper divisors (12076701).

84536851 is a wasteful number, since it uses less digits than its factorization.

84536851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12076700.

The product of its digits is 115200, while the sum is 40.

The square root of 84536851 is about 9194.3923670898. The cubic root of 84536851 is about 438.8829291244.

The spelling of 84536851 in words is "eighty-four million, five hundred thirty-six thousand, eight hundred fifty-one".