38721648774875 has 16 divisors (see below), whose sum is σ = 52717764733920. Its totient is φ = 28161199108000.

The previous prime is 38721648774863. The next prime is 38721648774899. The reversal of 38721648774875 is 57847784612783.

38721648774875 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38721648774875 - 2⁸ = 38721648774619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38721648774796 and 38721648774805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14080598180 + ... + 14080600929.

It is an arithmetic number, because the mean of its divisors is an integer number (3294860295870).

Almost surely, 2^{38721648774875} is an apocalyptic number.

38721648774875 is a deficient number, since it is larger than the sum of its proper divisors (13996115959045).

38721648774875 is a wasteful number, since it uses less digits than its factorization.

38721648774875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28161199135 (or 28161199125 counting only the distinct ones).

The product of its digits is 3540418560, while the sum is 77.

The spelling of 38721648774875 in words is "thirty-eight trillion, seven hundred twenty-one billion, six hundred forty-eight million, seven hundred seventy-four thousand, eight hundred seventy-five".