27453127247 has 12 divisors (see below), whose sum is σ = 34391830536. Its totient is φ = 21721155120.

The previous prime is 27453127243. The next prime is 27453127271. The reversal of 27453127247 is 74272135472.

It is a happy number.

It is not a de Polignac number, because 27453127247 - 2² = 27453127243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27453127198 and 27453127207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27453127243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21548129 + ... + 21549402.

It is an arithmetic number, because the mean of its divisors is an integer number (2865985878).

Almost surely, 2^27453127247 is an apocalyptic number.

27453127247 is a deficient number, since it is larger than the sum of its proper divisors (6938703289).

27453127247 is a wasteful number, since it uses less digits than its factorization.

27453127247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43097558 (or 43097551 counting only the distinct ones).

The product of its digits is 658560, while the sum is 44.

The spelling of 27453127247 in words is "twenty-seven billion, four hundred fifty-three million, one hundred twenty-seven thousand, two hundred forty-seven".