38385503747 has 8 divisors (see below), whose sum is σ = 38753734656. Its totient is φ = 38018304072.

The previous prime is 38385503743. The next prime is 38385503773. The reversal of 38385503747 is 74730558383.

It is a happy number.

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 38385503747 - 2² = 38385503743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38385503743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182903 + ... + 332000.

It is an arithmetic number, because the mean of its divisors is an integer number (4844216832).

Almost surely, 2^38385503747 is an apocalyptic number.

38385503747 is a deficient number, since it is larger than the sum of its proper divisors (368230909).

38385503747 is a wasteful number, since it uses less digits than its factorization.

38385503747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515617.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 38385503747 in words is "thirty-eight billion, three hundred eighty-five million, five hundred three thousand, seven hundred forty-seven".