38666687223 has 8 divisors (see below), whose sum is σ = 52208185600. Its totient is φ = 25451490168.

The previous prime is 38666687201. The next prime is 38666687243. The reversal of 38666687223 is 32278666683.

38666687223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38666687223 - 2²⁹ = 38129816311 is a prime.

It is a super-2 number, since 2×38666687223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38666687243) 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, 81575053 + ... + 81575526.

It is an arithmetic number, because the mean of its divisors is an integer number (6526023200).

Almost surely, 2^38666687223 is an apocalyptic number.

38666687223 is a deficient number, since it is larger than the sum of its proper divisors (13541498377).

38666687223 is a wasteful number, since it uses less digits than its factorization.

38666687223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163150661.

The product of its digits is 20901888, while the sum is 57.

The spelling of 38666687223 in words is "thirty-eight billion, six hundred sixty-six million, six hundred eighty-seven thousand, two hundred twenty-three".