27808106901 has 8 divisors (see below), whose sum is σ = 37079351424. Its totient is φ = 18537800160.

The previous prime is 27808106863. The next prime is 27808106947. The reversal of 27808106901 is 10960180872.

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

It is not a de Polignac number, because 27808106901 - 2²⁶ = 27740998037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27808106401) 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 7 ways as a sum of consecutive naturals, for example, 162061 + ... + 286146.

It is an arithmetic number, because the mean of its divisors is an integer number (4634918928).

Almost surely, 2^27808106901 is an apocalyptic number.

It is an amenable number.

27808106901 is a deficient number, since it is larger than the sum of its proper divisors (9271244523).

27808106901 is a wasteful number, since it uses less digits than its factorization.

27808106901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468891.

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 27808106901 in words is "twenty-seven billion, eight hundred eight million, one hundred six thousand, nine hundred one".