671312852 has 12 divisors (see below), whose sum is σ = 1342625760. Its totient is φ = 287705496.

The previous prime is 671312827. The next prime is 671312923. The reversal of 671312852 is 258213176.

It is a happy number.

671312852 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11987702 + ... + 11987757.

It is an arithmetic number, because the mean of its divisors is an integer number (111885480).

Almost surely, 2^671312852 is an apocalyptic number.

It is an amenable number.

671312852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

671312852 is a wasteful number, since it uses less digits than its factorization.

671312852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23975470 (or 23975468 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 671312852 is about 25909.7057490046. The cubic root of 671312852 is about 875.6051767733.

The spelling of 671312852 in words is "six hundred seventy-one million, three hundred twelve thousand, eight hundred fifty-two".