13850508847 has 8 divisors (see below), whose sum is σ = 15992340896. Its totient is φ = 11749473792.

The previous prime is 13850508839. The next prime is 13850508887. The reversal of 13850508847 is 74880505831.

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

It is not a de Polignac number, because 13850508847 - 2³ = 13850508839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13850508847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13850508887) 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, 10198518 + ... + 10199875.

It is an arithmetic number, because the mean of its divisors is an integer number (1999042612).

Almost surely, 2^13850508847 is an apocalyptic number.

13850508847 is a deficient number, since it is larger than the sum of its proper divisors (2141832049).

13850508847 is an equidigital number, since it uses as much as digits as its factorization.

13850508847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20398497.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 13850508847 in words is "thirteen billion, eight hundred fifty million, five hundred eight thousand, eight hundred forty-seven".