247478890996 has 12 divisors (see below), whose sum is σ = 433091652448. Its totient is φ = 123738418872.

The previous prime is 247478890987. The next prime is 247478891057. The reversal of 247478890996 is 699098874742.

It is a super-2 number, since 2×247478890996² (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 3 ways as a sum of consecutive naturals, for example, 613585 + ... + 933511.

Almost surely, 2^247478890996 is an apocalyptic number.

It is an amenable number.

247478890996 is a deficient number, since it is larger than the sum of its proper divisors (185612761452).

247478890996 is a wasteful number, since it uses less digits than its factorization.

247478890996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513318 (or 513316 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 73.

The spelling of 247478890996 in words is "two hundred forty-seven billion, four hundred seventy-eight million, eight hundred ninety thousand, nine hundred ninety-six".