38668887185 has 16 divisors (see below), whose sum is σ = 47298484224. Its totient is φ = 30338398272.

The previous prime is 38668887143. The next prime is 38668887199. The reversal of 38668887185 is 58178886683.

It is a cyclic number.

It is not a de Polignac number, because 38668887185 - 2¹⁰ = 38668886161 is a prime.

It is a super-2 number, since 2×38668887185² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611984 + ... + 672206.

It is an arithmetic number, because the mean of its divisors is an integer number (2956155264).

Almost surely, 2^38668887185 is an apocalyptic number.

It is an amenable number.

38668887185 is a deficient number, since it is larger than the sum of its proper divisors (8629597039).

38668887185 is a wasteful number, since it uses less digits than its factorization.

38668887185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62704.

The product of its digits is 123863040, while the sum is 68.

The spelling of 38668887185 in words is "thirty-eight billion, six hundred sixty-eight million, eight hundred eighty-seven thousand, one hundred eighty-five".