13890027890 has 16 divisors (see below), whose sum is σ = 25003486080. Its totient is φ = 5555692080.

The previous prime is 13890027889. The next prime is 13890027917. The reversal of 13890027890 is 9872009831.

13890027890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229745 + ... + 283835.

It is an arithmetic number, because the mean of its divisors is an integer number (1562717880).

Almost surely, 2^13890027890 is an apocalyptic number.

13890027890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13890027890 is a deficient number, since it is larger than the sum of its proper divisors (11113458190).

13890027890 is a wasteful number, since it uses less digits than its factorization.

13890027890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79777.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 13890027890 in words is "thirteen billion, eight hundred ninety million, twenty-seven thousand, eight hundred ninety".