13888772750 has 32 divisors (see below), whose sum is σ = 26328931200. Its totient is φ = 5485178400.

The previous prime is 13888772743. The next prime is 13888772783. The reversal of 13888772750 is 5727788831.

It is a super-2 number, since 2×13888772750² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331865 + ... + 371364.

It is an arithmetic number, because the mean of its divisors is an integer number (822779100).

Almost surely, 2^13888772750 is an apocalyptic number.

13888772750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13888772750 is a deficient number, since it is larger than the sum of its proper divisors (12440158450).

13888772750 is an equidigital number, since it uses as much as digits as its factorization.

13888772750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703325 (or 703315 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 13888772750 in words is "thirteen billion, eight hundred eighty-eight million, seven hundred seventy-two thousand, seven hundred fifty".