27221876664362 has 16 divisors (see below), whose sum is σ = 40848863517000. Its totient is φ = 13605589120512.

The previous prime is 27221876664361. The next prime is 27221876664391. The reversal of 27221876664362 is 26346667812272.

It can be written as a sum of positive squares in 4 ways, for example, as 22677301160761 + 4544575503601 = 4762069^2 + 2131801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27221876664295 and 27221876664304.

It is not an unprimeable number, because it can be changed into a prime (27221876664361) 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, 304066118 + ... + 304155630.

Almost surely, 2^{27221876664362} is an apocalyptic number.

27221876664362 is a deficient number, since it is larger than the sum of its proper divisors (13626986852638).

27221876664362 is a wasteful number, since it uses less digits than its factorization.

27221876664362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147577.

The product of its digits is 97542144, while the sum is 62.

The spelling of 27221876664362 in words is "twenty-seven trillion, two hundred twenty-one billion, eight hundred seventy-six million, six hundred sixty-four thousand, three hundred sixty-two".