247987368 has 48 divisors (see below), whose sum is σ = 681670080. Its totient is φ = 81427104.

The previous prime is 247987361. The next prime is 247987379. The reversal of 247987368 is 863789742.

247987368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247987368² = 122995469375134848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247987361) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20880 + ... + 30527.

It is an arithmetic number, because the mean of its divisors is an integer number (14201460).

Almost surely, 2^247987368 is an apocalyptic number.

It is an amenable number.

247987368 is an abundant number, since it is smaller than the sum of its proper divisors (433682712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247987368 is a wasteful number, since it uses less digits than its factorization.

247987368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51486 (or 51479 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 247987368 is about 15747.6146765153. The cubic root of 247987368 is about 628.2654631143.

The spelling of 247987368 in words is "two hundred forty-seven million, nine hundred eighty-seven thousand, three hundred sixty-eight".