38678861872233 has 18 divisors (see below), whose sum is σ = 61410240752042. Its totient is φ = 23441734467360.

The previous prime is 38678861872187. The next prime is 38678861872267. The reversal of 38678861872233 is 33227816887683.

38678861872233 is a `hidden beast` number, since 3 + 86 + 78 + 86 + 187 + 223 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35747328914649 + 2931532957584 = 5978907^2 + 1712172^2 .

It is not a de Polignac number, because 38678861872233 - 2⁸ = 38678861871977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38678861872433) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17758888660 + ... + 17758890837.

Almost surely, 2^{38678861872233} is an apocalyptic number.

38678861872233 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

38678861872233 is a deficient number, since it is larger than the sum of its proper divisors (22731378879809).

38678861872233 is a wasteful number, since it uses less digits than its factorization.

38678861872233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35517779525 (or 35517779511 counting only the distinct ones).

The product of its digits is 780337152, while the sum is 72.

The spelling of 38678861872233 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred sixty-one million, eight hundred seventy-two thousand, two hundred thirty-three".