671827141 has 8 divisors (see below), whose sum is σ = 694542464. Its totient is φ = 649434240.

The previous prime is 671827111. The next prime is 671827181. The reversal of 671827141 is 141728176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671827141 - 2⁵ = 671827109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671827141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671827111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76365 + ... + 84706.

It is an arithmetic number, because the mean of its divisors is an integer number (86817808).

Almost surely, 2^671827141 is an apocalyptic number.

It is an amenable number.

671827141 is a deficient number, since it is larger than the sum of its proper divisors (22715323).

671827141 is a wasteful number, since it uses less digits than its factorization.

671827141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161211.

The product of its digits is 18816, while the sum is 37.

The square root of 671827141 is about 25919.6284888499. The cubic root of 671827141 is about 875.8287184320.

The spelling of 671827141 in words is "six hundred seventy-one million, eight hundred twenty-seven thousand, one hundred forty-one".