671045876 has 12 divisors (see below), whose sum is σ = 1236137280. Its totient is φ = 317863800.

The previous prime is 671045873. The next prime is 671045909. The reversal of 671045876 is 678540176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671045873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4414700 + ... + 4414851.

It is an arithmetic number, because the mean of its divisors is an integer number (103011440).

Almost surely, 2^671045876 is an apocalyptic number.

It is an amenable number.

671045876 is a deficient number, since it is larger than the sum of its proper divisors (565091404).

671045876 is a wasteful number, since it uses less digits than its factorization.

671045876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8829574 (or 8829572 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 671045876 is about 25904.5531905107. The cubic root of 671045876 is about 875.4890875496.

The spelling of 671045876 in words is "six hundred seventy-one million, forty-five thousand, eight hundred seventy-six".