886840821005 has 8 divisors (see below), whose sum is σ = 1064706990072. Its totient is φ = 709140653568.

The previous prime is 886840821001. The next prime is 886840821011. The reversal of 886840821005 is 500128048688.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 108539279209 + 778301541796 = 329453^2 + 882214^2 .

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 886840821005 - 2² = 886840821001 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 (886840821001) 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, 41488652 + ... + 41510021.

It is an arithmetic number, because the mean of its divisors is an integer number (133088373759).

Almost surely, 2^886840821005 is an apocalyptic number.

It is an amenable number.

886840821005 is a deficient number, since it is larger than the sum of its proper divisors (177866169067).

886840821005 is a wasteful number, since it uses less digits than its factorization.

886840821005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83000815.

The product of its (nonzero) digits is 983040, while the sum is 50.

The spelling of 886840821005 in words is "eight hundred eighty-six billion, eight hundred forty million, eight hundred twenty-one thousand, five".