27080044399 has 4 divisors (see below), whose sum is σ = 27080733136. Its totient is φ = 27079355664.

The previous prime is 27080044393. The next prime is 27080044403. The reversal of 27080044399 is 99344008072.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27080044399 - 2¹¹ = 27080042351 is a prime.

It is a super-2 number, since 2×27080044399² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27080044393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281574 + ... + 365299.

It is an arithmetic number, because the mean of its divisors is an integer number (6770183284).

Almost surely, 2^27080044399 is an apocalyptic number.

27080044399 is a deficient number, since it is larger than the sum of its proper divisors (688737).

27080044399 is an equidigital number, since it uses as much as digits as its factorization.

27080044399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688736.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 27080044399 in words is "twenty-seven billion, eighty million, forty-four thousand, three hundred ninety-nine".