180861327 has 6 divisors (see below), whose sum is σ = 261244152. Its totient is φ = 120574212.

The previous prime is 180861301. The next prime is 180861337. The reversal of 180861327 is 723168081.

180861327 is a `hidden beast` number, since 18 + 0 + 8 + 613 + 27 = 666.

It is not a de Polignac number, because 180861327 - 2⁷ = 180861199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 180861291 and 180861300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180861337) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 10047843 + ... + 10047860.

It is an arithmetic number, because the mean of its divisors is an integer number (43540692).

Almost surely, 2^180861327 is an apocalyptic number.

180861327 is a deficient number, since it is larger than the sum of its proper divisors (80382825).

180861327 is a wasteful number, since it uses less digits than its factorization.

180861327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20095709 (or 20095706 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 180861327 is about 13448.4693181046. The cubic root of 180861327 is about 565.5207843444.

The spelling of 180861327 in words is "one hundred eighty million, eight hundred sixty-one thousand, three hundred twenty-seven".