84810005 has 16 divisors (see below), whose sum is σ = 116519040. Its totient is φ = 58051392.

The previous prime is 84809999. The next prime is 84810023. The reversal of 84810005 is 50001848.

It is not a de Polignac number, because 84810005 - 2¹² = 84805909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21227 + ... + 24903.

It is an arithmetic number, because the mean of its divisors is an integer number (7282440).

Almost surely, 2^84810005 is an apocalyptic number.

It is an amenable number.

84810005 is a deficient number, since it is larger than the sum of its proper divisors (31709035).

84810005 is a wasteful number, since it uses less digits than its factorization.

84810005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 84810005 is about 9209.2347673409. The cubic root of 84810005 is about 439.3551245303.

The spelling of 84810005 in words is "eighty-four million, eight hundred ten thousand, five".