13877670345 has 64 divisors (see below), whose sum is σ = 27882731520. Its totient is φ = 5725785600.

The previous prime is 13877670343. The next prime is 13877670349. The reversal of 13877670345 is 54307677831.

It is not a de Polignac number, because 13877670345 - 2¹ = 13877670343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13877670343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117325 + ... + 203765.

It is an arithmetic number, because the mean of its divisors is an integer number (435667680).

Almost surely, 2^13877670345 is an apocalyptic number.

13877670345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13877670345 is an abundant number, since it is smaller than the sum of its proper divisors (14005061175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13877670345 is a wasteful number, since it uses less digits than its factorization.

13877670345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86606.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 13877670345 in words is "thirteen billion, eight hundred seventy-seven million, six hundred seventy thousand, three hundred forty-five".