247272513268 has 24 divisors (see below), whose sum is σ = 472141321344. Its totient is φ = 112378593600.

The previous prime is 247272513259. The next prime is 247272513289. The reversal of 247272513268 is 862315272742.

It is a super-2 number, since 2×247272513268² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170313 + ... + 723568.

It is an arithmetic number, because the mean of its divisors is an integer number (19672555056).

Almost surely, 2^247272513268 is an apocalyptic number.

It is an amenable number.

247272513268 is a deficient number, since it is larger than the sum of its proper divisors (224868808076).

247272513268 is a wasteful number, since it uses less digits than its factorization.

247272513268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900183 (or 900181 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The spelling of 247272513268 in words is "two hundred forty-seven billion, two hundred seventy-two million, five hundred thirteen thousand, two hundred sixty-eight".