13855610487 has 16 divisors (see below), whose sum is σ = 20191859712. Its totient is φ = 8413272960.

The previous prime is 13855610473. The next prime is 13855610507. The reversal of 13855610487 is 78401655831.

It is not a de Polignac number, because 13855610487 - 2⁶ = 13855610423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13855610437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4380333 + ... + 4383494.

It is an arithmetic number, because the mean of its divisors is an integer number (1261991232).

Almost surely, 2^13855610487 is an apocalyptic number.

13855610487 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13855610487 is a deficient number, since it is larger than the sum of its proper divisors (6336249225).

13855610487 is a wasteful number, since it uses less digits than its factorization.

13855610487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763878.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 13855610487 in words is "thirteen billion, eight hundred fifty-five million, six hundred ten thousand, four hundred eighty-seven".