27247646245 has 8 divisors (see below), whose sum is σ = 32698146816. Its totient is φ = 21797469456.

The previous prime is 27247646221. The next prime is 27247646297. The reversal of 27247646245 is 54264674272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27247646245 - 2¹¹ = 27247644197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181644 + ... + 295786.

It is an arithmetic number, because the mean of its divisors is an integer number (4087268352).

Almost surely, 2^27247646245 is an apocalyptic number.

It is an amenable number.

27247646245 is a deficient number, since it is larger than the sum of its proper divisors (5450500571).

27247646245 is a wasteful number, since it uses less digits than its factorization.

27247646245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161891.

The product of its digits is 4515840, while the sum is 49.

The spelling of 27247646245 in words is "twenty-seven billion, two hundred forty-seven million, six hundred forty-six thousand, two hundred forty-five".