38438785782597 has 32 divisors (see below), whose sum is σ = 51407304245248. Its totient is φ = 25548217926336.

The previous prime is 38438785782569. The next prime is 38438785782613. The reversal of 38438785782597 is 79528758783483.

It is not a de Polignac number, because 38438785782597 - 2⁶ = 38438785782533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38438785782097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3730829148 + ... + 3730839450.

It is an arithmetic number, because the mean of its divisors is an integer number (1606478257664).

Almost surely, 2^{38438785782597} is an apocalyptic number.

It is an amenable number.

38438785782597 is a deficient number, since it is larger than the sum of its proper divisors (12968518462651).

38438785782597 is a wasteful number, since it uses less digits than its factorization.

38438785782597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13729.

The product of its digits is 22759833600, while the sum is 84.

The spelling of 38438785782597 in words is "thirty-eight trillion, four hundred thirty-eight billion, seven hundred eighty-five million, seven hundred eighty-two thousand, five hundred ninety-seven".