85184334821 has 8 divisors (see below), whose sum is σ = 86216106144. Its totient is φ = 84152693520.

The previous prime is 85184334797. The next prime is 85184334841. The reversal of 85184334821 is 12843348158.

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

It is a cyclic number.

It is not a de Polignac number, because 85184334821 - 2²⁶ = 85117225957 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 (85184334841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239655 + ... + 2277371.

It is an arithmetic number, because the mean of its divisors is an integer number (10777013268).

Almost surely, 2^85184334821 is an apocalyptic number.

It is an amenable number.

85184334821 is a deficient number, since it is larger than the sum of its proper divisors (1031771323).

85184334821 is a wasteful number, since it uses less digits than its factorization.

85184334821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65011.

The product of its digits is 737280, while the sum is 47.

The spelling of 85184334821 in words is "eighty-five billion, one hundred eighty-four million, three hundred thirty-four thousand, eight hundred twenty-one".