84708823 has 4 divisors (see below), whose sum is σ = 84787840. Its totient is φ = 84629808.

The previous prime is 84708769. The next prime is 84708847. The reversal of 84708823 is 32880748.

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 84708823 - 2¹³ = 84700631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84708853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37878 + ... + 40051.

It is an arithmetic number, because the mean of its divisors is an integer number (21196960).

Almost surely, 2^84708823 is an apocalyptic number.

84708823 is a deficient number, since it is larger than the sum of its proper divisors (79017).

84708823 is a wasteful number, since it uses less digits than its factorization.

84708823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79016.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 84708823 is about 9203.7396203934. The cubic root of 84708823 is about 439.1803317851.

The spelling of 84708823 in words is "eighty-four million, seven hundred eight thousand, eight hundred twenty-three".