338613985782 has 96 divisors (see below), whose sum is σ = 768156480000. Its totient is φ = 107705220480.

The previous prime is 338613985771. The next prime is 338613985789. The reversal of 338613985782 is 287589316833.

338613985782 is a `hidden beast` number, since 3 + 3 + 8 + 613 + 9 + 8 + 5 + 7 + 8 + 2 = 666.

It is a super-2 number, since 2×338613985782² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338613985789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8645319 + ... + 8684397.

It is an arithmetic number, because the mean of its divisors is an integer number (8001630000).

Almost surely, 2^338613985782 is an apocalyptic number.

338613985782 is an abundant number, since it is smaller than the sum of its proper divisors (429542494218).

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

338613985782 is a wasteful number, since it uses less digits than its factorization.

338613985782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39386 (or 39383 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 338613985782 in words is "three hundred thirty-eight billion, six hundred thirteen million, nine hundred eighty-five thousand, seven hundred eighty-two".