38871747871 has 8 divisors (see below), whose sum is σ = 43867803600. Its totient is φ = 34119402240.

The previous prime is 38871747821. The next prime is 38871747899. The reversal of 38871747871 is 17874717883.

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

It is not a de Polignac number, because 38871747871 - 2¹¹ = 38871745823 is a prime.

It is a super-2 number, since 2×38871747871² (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 (38871747821) 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, 60927186 + ... + 60927823.

It is an arithmetic number, because the mean of its divisors is an integer number (5483475450).

Almost surely, 2^38871747871 is an apocalyptic number.

38871747871 is a deficient number, since it is larger than the sum of its proper divisors (4996055729).

38871747871 is a wasteful number, since it uses less digits than its factorization.

38871747871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121855049.

The product of its digits is 14751744, while the sum is 61.

The spelling of 38871747871 in words is "thirty-eight billion, eight hundred seventy-one million, seven hundred forty-seven thousand, eight hundred seventy-one".