38678768529 has 16 divisors (see below), whose sum is σ = 51843840000. Its totient is φ = 25649837136.

The previous prime is 38678768507. The next prime is 38678768537. The reversal of 38678768529 is 92586787683.

It is not a de Polignac number, because 38678768529 - 2¹⁷ = 38678637457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38678768549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4200072 + ... + 4209270.

It is an arithmetic number, because the mean of its divisors is an integer number (3240240000).

Almost surely, 2^38678768529 is an apocalyptic number.

It is an amenable number.

38678768529 is a deficient number, since it is larger than the sum of its proper divisors (13165071471).

38678768529 is a wasteful number, since it uses less digits than its factorization.

38678768529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16444.

The product of its digits is 243855360, while the sum is 69.

The spelling of 38678768529 in words is "thirty-eight billion, six hundred seventy-eight million, seven hundred sixty-eight thousand, five hundred twenty-nine".