671789548 has 6 divisors (see below), whose sum is σ = 1175631716. Its totient is φ = 335894772.

The previous prime is 671789537. The next prime is 671789557. The reversal of 671789548 is 845987176.

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 as a sum of consecutive naturals, namely, 83973690 + ... + 83973697.

Almost surely, 2^671789548 is an apocalyptic number.

It is an amenable number.

671789548 is a deficient number, since it is larger than the sum of its proper divisors (503842168).

671789548 is a wasteful number, since it uses less digits than its factorization.

671789548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167947391 (or 167947389 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 671789548 is about 25918.9032946998. The cubic root of 671789548 is about 875.8123820655.

The spelling of 671789548 in words is "six hundred seventy-one million, seven hundred eighty-nine thousand, five hundred forty-eight".