38008187047 has 4 divisors (see below), whose sum is σ = 38013020136. Its totient is φ = 38003353960.

The previous prime is 38008187039. The next prime is 38008187051. The reversal of 38008187047 is 74078180083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38008187047 - 2³ = 38008187039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38008186988 and 38008187006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38008187947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2404729 + ... + 2420482.

It is an arithmetic number, because the mean of its divisors is an integer number (9503255034).

Almost surely, 2^38008187047 is an apocalyptic number.

38008187047 is a deficient number, since it is larger than the sum of its proper divisors (4833089).

38008187047 is an equidigital number, since it uses as much as digits as its factorization.

38008187047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833088.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 38008187047 in words is "thirty-eight billion, eight million, one hundred eighty-seven thousand, forty-seven".