38506748775 has 24 divisors (see below), whose sum is σ = 69452173824. Its totient is φ = 18669938400.

The previous prime is 38506748759. The next prime is 38506748779. The reversal of 38506748775 is 57784760583.

It is a happy number.

It is not a de Polignac number, because 38506748775 - 2⁴ = 38506748759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38506748779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23336599 + ... + 23338248.

It is an arithmetic number, because the mean of its divisors is an integer number (2893840576).

Almost surely, 2^38506748775 is an apocalyptic number.

38506748775 is a deficient number, since it is larger than the sum of its proper divisors (30945425049).

38506748775 is a wasteful number, since it uses less digits than its factorization.

38506748775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46674871 (or 46674866 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 60.

The spelling of 38506748775 in words is "thirty-eight billion, five hundred six million, seven hundred forty-eight thousand, seven hundred seventy-five".