38605725847 has 4 divisors (see below), whose sum is σ = 41575397080. Its totient is φ = 35636054616.

The previous prime is 38605725827. The next prime is 38605725853. The reversal of 38605725847 is 74852750683.

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 38605725847 - 2¹⁹ = 38605201559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38605725827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484835597 + ... + 1484835622.

It is an arithmetic number, because the mean of its divisors is an integer number (10393849270).

Almost surely, 2^38605725847 is an apocalyptic number.

38605725847 is a deficient number, since it is larger than the sum of its proper divisors (2969671233).

38605725847 is a wasteful number, since it uses less digits than its factorization.

38605725847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969671232.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 38605725847 in words is "thirty-eight billion, six hundred five million, seven hundred twenty-five thousand, eight hundred forty-seven".