13861372086 has 48 divisors (see below), whose sum is σ = 31597046208. Its totient is φ = 4385923200.

The previous prime is 13861372033. The next prime is 13861372099. The reversal of 13861372086 is 68027316831.

13861372086 is a `hidden beast` number, since 1 + 3 + 8 + 613 + 7 + 20 + 8 + 6 = 666.

13861372086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13861372086² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226510 + ... + 281121.

It is an arithmetic number, because the mean of its divisors is an integer number (658271796).

Almost surely, 2^13861372086 is an apocalyptic number.

13861372086 is an abundant number, since it is smaller than the sum of its proper divisors (17735674122).

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

13861372086 is a wasteful number, since it uses less digits than its factorization.

13861372086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507717 (or 507714 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 13861372086 in words is "thirteen billion, eight hundred sixty-one million, three hundred seventy-two thousand, eighty-six".