38817447347 has 24 divisors (see below), whose sum is σ = 45783840960. Its totient is φ = 32809795200.

The previous prime is 38817447313. The next prime is 38817447359. The reversal of 38817447347 is 74374471883.

It is not a de Polignac number, because 38817447347 - 2³² = 34522480051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38817447292 and 38817447301.

It is not an unprimeable number, because it can be changed into a prime (38817447367) 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 23 ways as a sum of consecutive naturals, for example, 3311597 + ... + 3323297.

It is an arithmetic number, because the mean of its divisors is an integer number (1907660040).

Almost surely, 2^38817447347 is an apocalyptic number.

38817447347 is a deficient number, since it is larger than the sum of its proper divisors (6966393613).

38817447347 is a wasteful number, since it uses less digits than its factorization.

38817447347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651 (or 12644 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 56.

The spelling of 38817447347 in words is "thirty-eight billion, eight hundred seventeen million, four hundred forty-seven thousand, three hundred forty-seven".