27201388884 has 12 divisors (see below), whose sum is σ = 63469907424. Its totient is φ = 9067129624.

The previous prime is 27201388873. The next prime is 27201388937. The reversal of 27201388884 is 48888310272.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133391192 + ... + 1133391215.

It is an arithmetic number, because the mean of its divisors is an integer number (5289158952).

Almost surely, 2^27201388884 is an apocalyptic number.

It is an amenable number.

27201388884 is an abundant number, since it is smaller than the sum of its proper divisors (36268518540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27201388884 is a wasteful number, since it uses less digits than its factorization.

27201388884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266782414 (or 2266782412 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 27201388884 in words is "twenty-seven billion, two hundred one million, three hundred eighty-eight thousand, eight hundred eighty-four".