27247451047 has 8 divisors (see below), whose sum is σ = 27830587392. Its totient is φ = 26664456600.

The previous prime is 27247451027. The next prime is 27247451059. The reversal of 27247451047 is 74015474272.

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-27247451047 is a prime.

It is a super-2 number, since 2×27247451047² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27247450994 and 27247451012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27247451027) 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 7 ways as a sum of consecutive naturals, for example, 412522 + ... + 473992.

It is an arithmetic number, because the mean of its divisors is an integer number (3478823424).

Almost surely, 2^27247451047 is an apocalyptic number.

27247451047 is a deficient number, since it is larger than the sum of its proper divisors (583136345).

27247451047 is an equidigital number, since it uses as much as digits as its factorization.

27247451047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70949.

The product of its (nonzero) digits is 439040, while the sum is 43.

The spelling of 27247451047 in words is "twenty-seven billion, two hundred forty-seven million, four hundred fifty-one thousand, forty-seven".