27640222026327 has 10 divisors (see below), whose sum is σ = 41289714385128. Its totient is φ = 18426814684164.

The previous prime is 27640222026323. The next prime is 27640222026341. The reversal of 27640222026327 is 72362022204672.

It is a happy number.

27640222026327 is a `hidden beast` number, since 2 + 7 + 6 + 4 + 0 + 2 + 2 + 2 + 0 + 2 + 632 + 7 = 666.

It is not a de Polignac number, because 27640222026327 - 2² = 27640222026323 is a prime.

It is a super-2 number, since 2×27640222026327² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27640222026323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 170618654403 + ... + 170618654564.

Almost surely, 2^{27640222026327} is an apocalyptic number.

27640222026327 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27640222026327 is a deficient number, since it is larger than the sum of its proper divisors (13649492358801).

27640222026327 is an equidigital number, since it uses as much as digits as its factorization.

27640222026327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341237308979 (or 341237308970 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 45.

The spelling of 27640222026327 in words is "twenty-seven trillion, six hundred forty billion, two hundred twenty-two million, twenty-six thousand, three hundred twenty-seven".