338680772794 has 48 divisors (see below), whose sum is σ = 636500182248. Its totient is φ = 133967167488.

The previous prime is 338680772791. The next prime is 338680772797. The reversal of 338680772794 is 497277086833.

It is an interprime number because it is at equal distance from previous prime (338680772791) and next prime (338680772797).

It can be written as a sum of positive squares in 4 ways, for example, as 290075956569 + 48604816225 = 538587^2 + 220465^2 .

It is a super-2 number, since 2×338680772794² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338680772791) 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 23 ways as a sum of consecutive naturals, for example, 20621674 + ... + 20638090.

Almost surely, 2^338680772794 is an apocalyptic number.

338680772794 is a deficient number, since it is larger than the sum of its proper divisors (297819409454).

338680772794 is a wasteful number, since it uses less digits than its factorization.

338680772794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32639 (or 32632 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 338680772794 in words is "three hundred thirty-eight billion, six hundred eighty million, seven hundred seventy-two thousand, seven hundred ninety-four".