38743723221887 has 8 divisors (see below), whose sum is σ = 38770923840480. Its totient is φ = 38716529778400.

The previous prime is 38743723221851. The next prime is 38743723221937. The reversal of 38743723221887 is 78812232734783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38743723221887 - 2²⁴ = 38743706444671 is a prime.

It is a super-3 number, since 3×38743723221887³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38743723221487) 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, 9032414 + ... + 12612372.

It is an arithmetic number, because the mean of its divisors is an integer number (4846365480060).

Almost surely, 2^{38743723221887} is an apocalyptic number.

38743723221887 is a deficient number, since it is larger than the sum of its proper divisors (27200618593).

38743723221887 is a wasteful number, since it uses less digits than its factorization.

38743723221887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587553.

The product of its digits is 151732224, while the sum is 65.

The spelling of 38743723221887 in words is "thirty-eight trillion, seven hundred forty-three billion, seven hundred twenty-three million, two hundred twenty-one thousand, eight hundred eighty-seven".