27806256356 has 24 divisors (see below), whose sum is σ = 48897910656. Its totient is φ = 13835590560.

The previous prime is 27806256353. The next prime is 27806256367. The reversal of 27806256356 is 65365260872.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (27806256353) 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, 664115 + ... + 704741.

It is an arithmetic number, because the mean of its divisors is an integer number (2037412944).

Almost surely, 2^27806256356 is an apocalyptic number.

It is an amenable number.

27806256356 is a deficient number, since it is larger than the sum of its proper divisors (21091654300).

27806256356 is a wasteful number, since it uses less digits than its factorization.

27806256356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41459 (or 41457 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 27806256356 in words is "twenty-seven billion, eight hundred six million, two hundred fifty-six thousand, three hundred fifty-six".