27247666244 has 24 divisors (see below), whose sum is σ = 49187953920. Its totient is φ = 13197210336.

The previous prime is 27247666241. The next prime is 27247666267. The reversal of 27247666244 is 44266674272.

It is a junction number, because it is equal to n+sod(n) for n = 27247666192 and 27247666201.

It is not an unprimeable number, because it can be changed into a prime (27247666241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371924 + ... + 439115.

It is an arithmetic number, because the mean of its divisors is an integer number (2049498080).

Almost surely, 2^27247666244 is an apocalyptic number.

It is an amenable number.

27247666244 is a deficient number, since it is larger than the sum of its proper divisors (21940287676).

27247666244 is a wasteful number, since it uses less digits than its factorization.

27247666244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811307 (or 811305 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 50.

The spelling of 27247666244 in words is "twenty-seven billion, two hundred forty-seven million, six hundred sixty-six thousand, two hundred forty-four".