13887210535 has 12 divisors (see below), whose sum is σ = 18317346264. Its totient is φ = 10099789040.

The previous prime is 13887210527. The next prime is 13887210551. The reversal of 13887210535 is 53501278831.

It is not a de Polignac number, because 13887210535 - 2³ = 13887210527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13887210491 and 13887210500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11476429 + ... + 11477638.

It is an arithmetic number, because the mean of its divisors is an integer number (1526445522).

Almost surely, 2^13887210535 is an apocalyptic number.

13887210535 is a deficient number, since it is larger than the sum of its proper divisors (4430135729).

13887210535 is a wasteful number, since it uses less digits than its factorization.

13887210535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22954094 (or 22954083 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

It can be divided in two parts, 13887 and 210535, that added together give a palindrome (224422).

The spelling of 13887210535 in words is "thirteen billion, eight hundred eighty-seven million, two hundred ten thousand, five hundred thirty-five".