13887535618 has 8 divisors (see below), whose sum is σ = 22725058320. Its totient is φ = 6312516180.

The previous prime is 13887535567. The next prime is 13887535619. The reversal of 13887535618 is 81653578831.

13887535618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13887535619) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 315625788 + ... + 315625831.

It is an arithmetic number, because the mean of its divisors is an integer number (2840632290).

Almost surely, 2^13887535618 is an apocalyptic number.

13887535618 is a deficient number, since it is larger than the sum of its proper divisors (8837522702).

13887535618 is a wasteful number, since it uses less digits than its factorization.

13887535618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631251632.

The product of its digits is 4838400, while the sum is 55.

The spelling of 13887535618 in words is "thirteen billion, eight hundred eighty-seven million, five hundred thirty-five thousand, six hundred eighteen".