27870088901 has 8 divisors (see below), whose sum is σ = 28201223160. Its totient is φ = 27540326592.

The previous prime is 27870088889. The next prime is 27870088907. The reversal of 27870088901 is 10988007872.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9326730625 + 18543358276 = 96575^2 + 136174^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 27870088901 - 2⁶ = 27870088837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27870088901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27870088907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302090 + ... + 383403.

It is an arithmetic number, because the mean of its divisors is an integer number (3525152895).

Almost surely, 2^27870088901 is an apocalyptic number.

It is an amenable number.

27870088901 is a deficient number, since it is larger than the sum of its proper divisors (331134259).

27870088901 is a wasteful number, since it uses less digits than its factorization.

27870088901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685975.

The product of its (nonzero) digits is 451584, while the sum is 50.

The spelling of 27870088901 in words is "twenty-seven billion, eight hundred seventy million, eighty-eight thousand, nine hundred one".