38338698866 has 16 divisors (see below), whose sum is σ = 62004046104. Its totient is φ = 17674126464.

The previous prime is 38338698857. The next prime is 38338698869. The reversal of 38338698866 is 66889683383.

38338698866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32657911225 + 5680787641 = 180715^2 + 75371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38338698796 and 38338698805.

It is not an unprimeable number, because it can be changed into a prime (38338698869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838025 + ... + 882588.

Almost surely, 2^38338698866 is an apocalyptic number.

38338698866 is a deficient number, since it is larger than the sum of its proper divisors (23665347238).

38338698866 is a wasteful number, since it uses less digits than its factorization.

38338698866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721485.

The product of its digits is 214990848, while the sum is 68.

The spelling of 38338698866 in words is "thirty-eight billion, three hundred thirty-eight million, six hundred ninety-eight thousand, eight hundred sixty-six".