27621088881 has 16 divisors (see below), whose sum is σ = 37219710528. Its totient is φ = 18219297600.

The previous prime is 27621088853. The next prime is 27621088927. The reversal of 27621088881 is 18888012672.

It is not a de Polignac number, because 27621088881 - 2¹¹ = 27621086833 is a prime.

It is a super-2 number, since 2×27621088881² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27621088811) 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 15 ways as a sum of consecutive naturals, for example, 22135 + ... + 236076.

It is an arithmetic number, because the mean of its divisors is an integer number (2326231908).

Almost surely, 2^27621088881 is an apocalyptic number.

It is an amenable number.

27621088881 is a deficient number, since it is larger than the sum of its proper divisors (9598621647).

27621088881 is a wasteful number, since it uses less digits than its factorization.

27621088881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258592.

The product of its (nonzero) digits is 688128, while the sum is 51.

The spelling of 27621088881 in words is "twenty-seven billion, six hundred twenty-one million, eighty-eight thousand, eight hundred eighty-one".