671083287607 has 4 divisors (see below), whose sum is σ = 671090383480. Its totient is φ = 671076191736.

The previous prime is 671083287577. The next prime is 671083287617. The reversal of 671083287607 is 706782380176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671083287607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671083287617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3404133 + ... + 3595870.

It is an arithmetic number, because the mean of its divisors is an integer number (167772595870).

Almost surely, 2^671083287607 is an apocalyptic number.

671083287607 is a deficient number, since it is larger than the sum of its proper divisors (7095873).

671083287607 is an equidigital number, since it uses as much as digits as its factorization.

671083287607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095872.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 671083287607 in words is "six hundred seventy-one billion, eighty-three million, two hundred eighty-seven thousand, six hundred seven".