38508278668 has 6 divisors (see below), whose sum is σ = 67389487676. Its totient is φ = 19254139332.

The previous prime is 38508278659. The next prime is 38508278681. The reversal of 38508278668 is 86687280583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4813534830 + ... + 4813534837.

Almost surely, 2^38508278668 is an apocalyptic number.

It is an amenable number.

38508278668 is a deficient number, since it is larger than the sum of its proper divisors (28881209008).

38508278668 is a wasteful number, since it uses less digits than its factorization.

38508278668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627069671 (or 9627069669 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 38508278668 in words is "thirty-eight billion, five hundred eight million, two hundred seventy-eight thousand, six hundred sixty-eight".