671286117 has 8 divisors (see below), whose sum is σ = 899735040. Its totient is φ = 445180640.

The previous prime is 671286107. The next prime is 671286127. The reversal of 671286117 is 711682176.

It is an interprime number because it is at equal distance from previous prime (671286107) and next prime (671286127).

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 671286117 - 2¹⁹ = 670761829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671286107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585192 + ... + 586337.

It is an arithmetic number, because the mean of its divisors is an integer number (112466880).

Almost surely, 2^671286117 is an apocalyptic number.

It is an amenable number.

671286117 is a deficient number, since it is larger than the sum of its proper divisors (228448923).

671286117 is a wasteful number, since it uses less digits than its factorization.

671286117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171723.

The product of its digits is 28224, while the sum is 39.

The square root of 671286117 is about 25909.1898175146. The cubic root of 671286117 is about 875.5935529752.

It can be divided in two parts, 6712 and 86117, that added together give a palindrome (92829).

The spelling of 671286117 in words is "six hundred seventy-one million, two hundred eighty-six thousand, one hundred seventeen".