247987456012 has 48 divisors (see below), whose sum is σ = 458527148352. Its totient is φ = 117216702720.

The previous prime is 247987456009. The next prime is 247987456027. The reversal of 247987456012 is 210654789742.

It is a super-2 number, since 2×247987456012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 654462 + ... + 961402.

It is an arithmetic number, because the mean of its divisors is an integer number (9552648924).

Almost surely, 2^247987456012 is an apocalyptic number.

It is an amenable number.

247987456012 is a deficient number, since it is larger than the sum of its proper divisors (210539692340).

247987456012 is a wasteful number, since it uses less digits than its factorization.

247987456012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307138 (or 307136 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 247987456012 in words is "two hundred forty-seven billion, nine hundred eighty-seven million, four hundred fifty-six thousand, twelve".