38516907385 has 8 divisors (see below), whose sum is σ = 50422133376. Its totient is φ = 28012296240.

The previous prime is 38516907383. The next prime is 38516907397. The reversal of 38516907385 is 58370961583.

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

It is not a de Polignac number, because 38516907385 - 2¹ = 38516907383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 700307407 = 38516907385 / (3 + 8 + 5 + 1 + 6 + 9 + 0 + 7 + 3 + 8 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38516907383) 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, 350153649 + ... + 350153758.

It is an arithmetic number, because the mean of its divisors is an integer number (6302766672).

Almost surely, 2^38516907385 is an apocalyptic number.

It is an amenable number.

38516907385 is a deficient number, since it is larger than the sum of its proper divisors (11905225991).

38516907385 is a wasteful number, since it uses less digits than its factorization.

38516907385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700307423.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 38516907385 in words is "thirty-eight billion, five hundred sixteen million, nine hundred seven thousand, three hundred eighty-five".