13888837706 has 4 divisors (see below), whose sum is σ = 20833256562. Its totient is φ = 6944418852.

The previous prime is 13888837691. The next prime is 13888837757. The reversal of 13888837706 is 60773888831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13873306225 + 15531481 = 117785^2 + 3941^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3472209425 + ... + 3472209428.

Almost surely, 2^13888837706 is an apocalyptic number.

13888837706 is a deficient number, since it is larger than the sum of its proper divisors (6944418856).

13888837706 is an equidigital number, since it uses as much as digits as its factorization.

13888837706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944418855.

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 13888837706 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred thirty-seven thousand, seven hundred six".