671448835 has 8 divisors (see below), whose sum is σ = 815446800. Its totient is φ = 530686944.

The previous prime is 671448793. The next prime is 671448857. The reversal of 671448835 is 538844176.

It is a happy number.

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 671448835 - 2¹³ = 671440643 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 808560 + ... + 809389.

It is an arithmetic number, because the mean of its divisors is an integer number (101930850).

Almost surely, 2^671448835 is an apocalyptic number.

671448835 is a deficient number, since it is larger than the sum of its proper divisors (143997965).

671448835 is a wasteful number, since it uses less digits than its factorization.

671448835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618037.

The product of its digits is 645120, while the sum is 46.

The square root of 671448835 is about 25912.3297871882. The cubic root of 671448835 is about 875.6642944558.

The spelling of 671448835 in words is "six hundred seventy-one million, four hundred forty-eight thousand, eight hundred thirty-five".