84806823 has 16 divisors (see below), whose sum is σ = 119491200. Its totient is φ = 53353440.

The previous prime is 84806797. The next prime is 84806833. The reversal of 84806823 is 32860848.

It is not a de Polignac number, because 84806823 - 2⁸ = 84806567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84806833) 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, 12568 + ... + 18098.

It is an arithmetic number, because the mean of its divisors is an integer number (7468200).

Almost surely, 2^84806823 is an apocalyptic number.

84806823 is a deficient number, since it is larger than the sum of its proper divisors (34684377).

84806823 is a wasteful number, since it uses less digits than its factorization.

84806823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 84806823 is about 9209.0620043520. The cubic root of 84806823 is about 439.3496297168.

The spelling of 84806823 in words is "eighty-four million, eight hundred six thousand, eight hundred twenty-three".