7427444447247 has 48 divisors (see below), whose sum is σ = 11266391015040. Its totient is φ = 4344084360000.

The previous prime is 7427444447243. The next prime is 7427444447263.

7427444447247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7427444447247 - 2² = 7427444447243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7427444447243) 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 47 ways as a sum of consecutive naturals, for example, 20994372 + ... + 21345222.

It is an arithmetic number, because the mean of its divisors is an integer number (234716479480).

Almost surely, 2^{7427444447247} is an apocalyptic number.

7427444447247 is a deficient number, since it is larger than the sum of its proper divisors (3838946567793).

7427444447247 is a wasteful number, since it uses less digits than its factorization.

7427444447247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352916 (or 352905 counting only the distinct ones).

The product of its digits is 157351936, while the sum is 60.

The spelling of 7427444447247 in words is "seven trillion, four hundred twenty-seven billion, four hundred forty-four million, four hundred forty-seven thousand, two hundred forty-seven".