13927171860 has 192 divisors, whose sum is σ = 49740042240. Its totient is φ = 3169134720.

The previous prime is 13927171823. The next prime is 13927171933. The reversal of 13927171860 is 6817172931.

It is a super-2 number, since 2×13927171860² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 63 ways as a sum of consecutive naturals, for example, 849945 + ... + 866175.

It is an arithmetic number, because the mean of its divisors is an integer number (259062720).

Almost surely, 2^13927171860 is an apocalyptic number.

13927171860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13927171860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24870021120).

13927171860 is an abundant number, since it is smaller than the sum of its proper divisors (35812870380).

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

13927171860 is a wasteful number, since it uses less digits than its factorization.

13927171860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16483 (or 16475 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 13927171860 in words is "thirteen billion, nine hundred twenty-seven million, one hundred seventy-one thousand, eight hundred sixty".