13787337655 has 16 divisors (see below), whose sum is σ = 20362837824. Its totient is φ = 8726929920.

The previous prime is 13787337601. The next prime is 13787337667. The reversal of 13787337655 is 55673378731.

It is not a de Polignac number, because 13787337655 - 2¹¹ = 13787335607 is a prime.

It is a super-2 number, since 2×13787337655² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13787337596 and 13787337605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15150466 + ... + 15151375.

It is an arithmetic number, because the mean of its divisors is an integer number (1272677364).

Almost surely, 2^13787337655 is an apocalyptic number.

13787337655 is a deficient number, since it is larger than the sum of its proper divisors (6575500169).

13787337655 is a wasteful number, since it uses less digits than its factorization.

13787337655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30301866.

The product of its digits is 11113200, while the sum is 55.

It can be divided in two parts, 137873 and 37655, that added together give a triangular number (175528 = T₅₉₂).

The spelling of 13787337655 in words is "thirteen billion, seven hundred eighty-seven million, three hundred thirty-seven thousand, six hundred fifty-five".