844096881986 has 8 divisors (see below), whose sum is σ = 1309805506620. Its totient is φ = 407495046448.

The previous prime is 844096881923. The next prime is 844096881997. The reversal of 844096881986 is 689188690448.

It can be written as a sum of positive squares in 2 ways, for example, as 800901494761 + 43195387225 = 894931^2 + 207835^2 .

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

It is a super-2 number, since 2×844096881986² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7276697201 + ... + 7276697316.

Almost surely, 2^844096881986 is an apocalyptic number.

844096881986 is a deficient number, since it is larger than the sum of its proper divisors (465708624634).

844096881986 is a wasteful number, since it uses less digits than its factorization.

844096881986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14553394548.

The product of its (nonzero) digits is 191102976, while the sum is 71.

The spelling of 844096881986 in words is "eight hundred forty-four billion, ninety-six million, eight hundred eighty-one thousand, nine hundred eighty-six".