38929870671 has 8 divisors (see below), whose sum is σ = 52070238384. Its totient is φ = 25871375040.

The previous prime is 38929870631. The next prime is 38929870691. The reversal of 38929870671 is 17607892983.

38929870671 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 38929870671 - 2¹⁰ = 38929869647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38929870631) 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, 20466910 + ... + 20468811.

It is an arithmetic number, because the mean of its divisors is an integer number (6508779798).

Almost surely, 2^38929870671 is an apocalyptic number.

38929870671 is a deficient number, since it is larger than the sum of its proper divisors (13140367713).

38929870671 is a wasteful number, since it uses less digits than its factorization.

38929870671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40936041.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 38929870671 in words is "thirty-eight billion, nine hundred twenty-nine million, eight hundred seventy thousand, six hundred seventy-one".