27803399882 has 8 divisors (see below), whose sum is σ = 41764595652. Its totient is φ = 13881868000.

The previous prime is 27803399881. The next prime is 27803399891. The reversal of 27803399882 is 28899330872.

It can be written as a sum of positive squares in 2 ways, for example, as 26909449681 + 893950201 = 164041^2 + 29899^2 .

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

It is a super-2 number, since 2×27803399882² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27803399881) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9914219 + ... + 9917022.

Almost surely, 2^27803399882 is an apocalyptic number.

27803399882 is a deficient number, since it is larger than the sum of its proper divisors (13961195770).

27803399882 is a wasteful number, since it uses less digits than its factorization.

27803399882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19831944.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 27803399882 in words is "twenty-seven billion, eight hundred three million, three hundred ninety-nine thousand, eight hundred eighty-two".