27802226247 has 4 divisors (see below), whose sum is σ = 37069635000. Its totient is φ = 18534817496.

The previous prime is 27802226237. The next prime is 27802226251. The reversal of 27802226247 is 74262220872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27802226247 - 2⁷ = 27802226119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27802226199 and 27802226208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27802226237) 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 3 ways as a sum of consecutive naturals, for example, 4633704372 + ... + 4633704377.

It is an arithmetic number, because the mean of its divisors is an integer number (9267408750).

Almost surely, 2^27802226247 is an apocalyptic number.

27802226247 is a deficient number, since it is larger than the sum of its proper divisors (9267408753).

27802226247 is an equidigital number, since it uses as much as digits as its factorization.

27802226247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267408752.

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 27802226247 in words is "twenty-seven billion, eight hundred two million, two hundred twenty-six thousand, two hundred forty-seven".