27207315247 has 8 divisors (see below), whose sum is σ = 31102020000. Its totient is φ = 23314596864.

The previous prime is 27207315241. The next prime is 27207315313. The reversal of 27207315247 is 74251370272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27207315247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27207315241) 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, 467122 + ... + 522127.

It is an arithmetic number, because the mean of its divisors is an integer number (3887752500).

Almost surely, 2^27207315247 is an apocalyptic number.

27207315247 is a deficient number, since it is larger than the sum of its proper divisors (3894704753).

27207315247 is an equidigital number, since it uses as much as digits as its factorization.

27207315247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993185.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 27207315247 in words is "twenty-seven billion, two hundred seven million, three hundred fifteen thousand, two hundred forty-seven".