13888874722 has 8 divisors (see below), whose sum is σ = 21341441772. Its totient is φ = 6775060800.

The previous prime is 13888874719. The next prime is 13888874723. The reversal of 13888874722 is 22747888831.

It can be written as a sum of positive squares in 2 ways, for example, as 13787691241 + 101183481 = 117421^2 + 10059^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13888874723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84688179 + ... + 84688342.

Almost surely, 2^13888874722 is an apocalyptic number.

13888874722 is a deficient number, since it is larger than the sum of its proper divisors (7452567050).

13888874722 is a wasteful number, since it uses less digits than its factorization.

13888874722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169376564.

The product of its digits is 9633792, while the sum is 58.

The spelling of 13888874722 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred seventy-four thousand, seven hundred twenty-two".