867142671 has 16 divisors (see below), whose sum is σ = 1169106048. Its totient is φ = 571652000.

The previous prime is 867142643. The next prime is 867142673. The reversal of 867142671 is 176241768.

It is a cyclic number.

It is not a de Polignac number, because 867142671 - 2⁶ = 867142607 is a prime.

It is a super-3 number, since 3×867142671³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867142673) 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 15 ways as a sum of consecutive naturals, for example, 358456 + ... + 360866.

It is an arithmetic number, because the mean of its divisors is an integer number (73069128).

Almost surely, 2^867142671 is an apocalyptic number.

867142671 is a deficient number, since it is larger than the sum of its proper divisors (301963377).

867142671 is a wasteful number, since it uses less digits than its factorization.

867142671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702.

The product of its digits is 112896, while the sum is 42.

The square root of 867142671 is about 29447.2863096075. The cubic root of 867142671 is about 953.5940207455.

The spelling of 867142671 in words is "eight hundred sixty-seven million, one hundred forty-two thousand, six hundred seventy-one".