27672600221 has 16 divisors (see below), whose sum is σ = 33632432640. Its totient is φ = 22226607360.

The previous prime is 27672600211. The next prime is 27672600223. The reversal of 27672600221 is 12200627672.

It is a cyclic number.

It is not a de Polignac number, because 27672600221 - 2⁶ = 27672600157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27672600223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480485 + ... + 534986.

It is an arithmetic number, because the mean of its divisors is an integer number (2102027040).

Almost surely, 2^27672600221 is an apocalyptic number.

It is an amenable number.

27672600221 is a deficient number, since it is larger than the sum of its proper divisors (5959832419).

27672600221 is a wasteful number, since it uses less digits than its factorization.

27672600221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015724.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 27672600221 in words is "twenty-seven billion, six hundred seventy-two million, six hundred thousand, two hundred twenty-one".