84268509185 has 8 divisors (see below), whose sum is σ = 115568241216. Its totient is φ = 57784120560.

The previous prime is 84268509161. The next prime is 84268509187. The reversal of 84268509185 is 58190586248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84268509185 - 2⁶ = 84268509121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84268509185.

It is not an unprimeable number, because it can be changed into a prime (84268509187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203835811 + ... + 1203835880.

It is an arithmetic number, because the mean of its divisors is an integer number (14446030152).

Almost surely, 2^84268509185 is an apocalyptic number.

It is an amenable number.

84268509185 is a deficient number, since it is larger than the sum of its proper divisors (31299732031).

84268509185 is a wasteful number, since it uses less digits than its factorization.

84268509185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407671703.

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 84268509185 in words is "eighty-four billion, two hundred sixty-eight million, five hundred nine thousand, one hundred eighty-five".