38721362227768 has 32 divisors (see below), whose sum is σ = 79400299630320. Its totient is φ = 17556727360000.

The previous prime is 38721362227759. The next prime is 38721362227783. The reversal of 38721362227768 is 86772226312783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548612443 + ... + 548683018.

Almost surely, 2^{38721362227768} is an apocalyptic number.

It is an amenable number.

38721362227768 is an abundant number, since it is smaller than the sum of its proper divisors (40678937402552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38721362227768 is a wasteful number, since it uses less digits than its factorization.

38721362227768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097295879 (or 1097295875 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 64.

The spelling of 38721362227768 in words is "thirty-eight trillion, seven hundred twenty-one billion, three hundred sixty-two million, two hundred twenty-seven thousand, seven hundred sixty-eight".