13887638750 has 20 divisors (see below), whose sum is σ = 26030992416. Its totient is φ = 5555055000.

The previous prime is 13887638747. The next prime is 13887638773. The reversal of 13887638750 is 5783678831.

It is a congruent number.

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 in 9 ways as a sum of consecutive naturals, for example, 5553806 + ... + 5556305.

Almost surely, 2^13887638750 is an apocalyptic number.

13887638750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13887638750 is a deficient number, since it is larger than the sum of its proper divisors (12143353666).

13887638750 is an equidigital number, since it uses as much as digits as its factorization.

13887638750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110133 (or 11110118 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 13887638750 in words is "thirteen billion, eight hundred eighty-seven million, six hundred thirty-eight thousand, seven hundred fifty".