247405011017 has 8 divisors (see below), whose sum is σ = 255716225280. Its totient is φ = 239114447280.

The previous prime is 247405011013. The next prime is 247405011047. The reversal of 247405011017 is 710110504742.

247405011017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 247405011017 - 2² = 247405011013 is a prime.

It is a super-2 number, since 2×247405011017² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247405011013) 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 7 ways as a sum of consecutive naturals, for example, 5138267 + ... + 5186192.

It is an arithmetic number, because the mean of its divisors is an integer number (31964528160).

Almost surely, 2^247405011017 is an apocalyptic number.

It is an amenable number.

247405011017 is a deficient number, since it is larger than the sum of its proper divisors (8311214263).

247405011017 is a wasteful number, since it uses less digits than its factorization.

247405011017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325263.

The product of its (nonzero) digits is 7840, while the sum is 32.

Adding to 247405011017 its reverse (710110504742), we get a palindrome (957515515759).

The spelling of 247405011017 in words is "two hundred forty-seven billion, four hundred five million, eleven thousand, seventeen".