27401527221 has 8 divisors (see below), whose sum is σ = 37795210080. Its totient is φ = 17637764592.

The previous prime is 27401527177. The next prime is 27401527267. The reversal of 27401527221 is 12272510472.

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

It is not a de Polignac number, because 27401527221 - 2⁶ = 27401527157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27401527291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157479955 + ... + 157480128.

It is an arithmetic number, because the mean of its divisors is an integer number (4724401260).

Almost surely, 2^27401527221 is an apocalyptic number.

It is an amenable number.

27401527221 is a deficient number, since it is larger than the sum of its proper divisors (10393682859).

27401527221 is a wasteful number, since it uses less digits than its factorization.

27401527221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314960115.

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 27401527221 in words is "twenty-seven billion, four hundred one million, five hundred twenty-seven thousand, two hundred twenty-one".