13558260887 has 4 divisors (see below), whose sum is σ = 13564228080. Its totient is φ = 13552293696.

The previous prime is 13558260883. The next prime is 13558260917. The reversal of 13558260887 is 78806285531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78806285531 = 5107 ⋅15431033.

It is a cyclic number.

It is not a de Polignac number, because 13558260887 - 2² = 13558260883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13558260883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2980187 + ... + 2984732.

It is an arithmetic number, because the mean of its divisors is an integer number (3391057020).

Almost surely, 2^13558260887 is an apocalyptic number.

13558260887 is a deficient number, since it is larger than the sum of its proper divisors (5967193).

13558260887 is an equidigital number, since it uses as much as digits as its factorization.

13558260887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967192.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 13558260887 in words is "thirteen billion, five hundred fifty-eight million, two hundred sixty thousand, eight hundred eighty-seven".