982398238947 has 64 divisors (see below), whose sum is σ = 1512623808000. Its totient is φ = 629399320704.

The previous prime is 982398238933. The next prime is 982398238967. The reversal of 982398238947 is 749832893289.

982398238947 is a `hidden beast` number, since 9 + 8 + 239 + 8 + 2 + 389 + 4 + 7 = 666.

It is not a de Polignac number, because 982398238947 - 2¹⁹ = 982397714659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (982398238967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362908968 + ... + 362911674.

It is an arithmetic number, because the mean of its divisors is an integer number (23634747000).

Almost surely, 2^982398238947 is an apocalyptic number.

982398238947 is a deficient number, since it is larger than the sum of its proper divisors (530225569053).

982398238947 is a wasteful number, since it uses less digits than its factorization.

982398238947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737 (or 4731 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 982398238947 in words is "nine hundred eighty-two billion, three hundred ninety-eight million, two hundred thirty-eight thousand, nine hundred forty-seven".