27699944118 has 192 divisors, whose sum is σ = 71954873856. Its totient is φ = 7086340800.

The previous prime is 27699944099. The next prime is 27699944147. The reversal of 27699944118 is 81144999672.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27782796 + ... + 27783792.

It is an arithmetic number, because the mean of its divisors is an integer number (374764968).

Almost surely, 2^27699944118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27699944118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35977436928).

27699944118 is an abundant number, since it is smaller than the sum of its proper divisors (44254929738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27699944118 is a wasteful number, since it uses less digits than its factorization.

27699944118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1091 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The spelling of 27699944118 in words is "twenty-seven billion, six hundred ninety-nine million, nine hundred forty-four thousand, one hundred eighteen".