338838932885 has 8 divisors (see below), whose sum is σ = 406794889176. Its totient is φ = 270945699840.

The previous prime is 338838932881. The next prime is 338838932917. The reversal of 338838932885 is 588239838833.

It can be written as a sum of positive squares in 4 ways, for example, as 126581543089 + 212257389796 = 355783^2 + 460714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 338838932885 - 2² = 338838932881 is a prime.

It is a super-2 number, since 2×338838932885² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338838932881) 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 7 ways as a sum of consecutive naturals, for example, 15668924 + ... + 15690533.

It is an arithmetic number, because the mean of its divisors is an integer number (50849361147).

Almost surely, 2^338838932885 is an apocalyptic number.

It is an amenable number.

338838932885 is a deficient number, since it is larger than the sum of its proper divisors (67955956291).

338838932885 is a wasteful number, since it uses less digits than its factorization.

338838932885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31361623.

The product of its digits is 238878720, while the sum is 68.

The spelling of 338838932885 in words is "three hundred thirty-eight billion, eight hundred thirty-eight million, nine hundred thirty-two thousand, eight hundred eighty-five".