38675772671721 has 8 divisors (see below), whose sum is σ = 51961343437344. Its totient is φ = 25587025176960.

The previous prime is 38675772671717. The next prime is 38675772671729. The reversal of 38675772671721 is 12717627757683.

38675772671721 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 38675772671721 - 2² = 38675772671717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38675772671729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49205817256 + ... + 49205818041.

It is an arithmetic number, because the mean of its divisors is an integer number (6495167929668).

Almost surely, 2^{38675772671721} is an apocalyptic number.

It is an amenable number.

38675772671721 is a deficient number, since it is larger than the sum of its proper divisors (13285570765623).

38675772671721 is a wasteful number, since it uses less digits than its factorization.

38675772671721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98411635431.

The product of its digits is 290424960, while the sum is 69.

The spelling of 38675772671721 in words is "thirty-eight trillion, six hundred seventy-five billion, seven hundred seventy-two million, six hundred seventy-one thousand, seven hundred twenty-one".