38657766775664 has 20 divisors (see below), whose sum is σ = 74931445185480. Its totient is φ = 19320619631040.

The previous prime is 38657766775633. The next prime is 38657766775673. The reversal of 38657766775664 is 46657766775683.

38657766775664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 516446207 + ... + 516521054.

It is an arithmetic number, because the mean of its divisors is an integer number (3746572259274).

Almost surely, 2^{38657766775664} is an apocalyptic number.

It is an amenable number.

38657766775664 is a deficient number, since it is larger than the sum of its proper divisors (36273678409816).

38657766775664 is a wasteful number, since it uses less digits than its factorization.

38657766775664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032969608 (or 1032969602 counting only the distinct ones).

The product of its digits is 44808422400, while the sum is 83.

The spelling of 38657766775664 in words is "thirty-eight trillion, six hundred fifty-seven billion, seven hundred sixty-six million, seven hundred seventy-five thousand, six hundred sixty-four".