47207147321247 has 4 divisors (see below), whose sum is σ = 62942863095000. Its totient is φ = 31471431547496.

The previous prime is 47207147321233. The next prime is 47207147321311. The reversal of 47207147321247 is 74212374170274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47207147321247 - 2¹² = 47207147317151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47207147321247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47207147321207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7867857886872 + ... + 7867857886877.

It is an arithmetic number, because the mean of its divisors is an integer number (15735715773750).

Almost surely, 2^{47207147321247} is an apocalyptic number.

47207147321247 is a deficient number, since it is larger than the sum of its proper divisors (15735715773753).

47207147321247 is a wasteful number, since it uses less digits than its factorization.

47207147321247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15735715773752.

The product of its (nonzero) digits is 3687936, while the sum is 51.

The spelling of 47207147321247 in words is "forty-seven trillion, two hundred seven billion, one hundred forty-seven million, three hundred twenty-one thousand, two hundred forty-seven".