38772727221 has 8 divisors (see below), whose sum is σ = 52796905344. Its totient is φ = 25298516960.

The previous prime is 38772727199. The next prime is 38772727229. The reversal of 38772727221 is 12272727783.

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 38772727221 - 2¹⁰ = 38772726197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38772727229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137491800 + ... + 137492081.

It is an arithmetic number, because the mean of its divisors is an integer number (6599613168).

Almost surely, 2^38772727221 is an apocalyptic number.

It is an amenable number.

38772727221 is a deficient number, since it is larger than the sum of its proper divisors (14024178123).

38772727221 is a wasteful number, since it uses less digits than its factorization.

38772727221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274983931.

The product of its digits is 921984, while the sum is 48.

The spelling of 38772727221 in words is "thirty-eight billion, seven hundred seventy-two million, seven hundred twenty-seven thousand, two hundred twenty-one".