671980083591 has 8 divisors (see below), whose sum is σ = 896168621824. Its totient is φ = 447889133880.

The previous prime is 671980083583. The next prime is 671980083601. The reversal of 671980083591 is 195380089176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671980083591 - 2³ = 671980083583 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 (671980083571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24381061 + ... + 24408606.

It is an arithmetic number, because the mean of its divisors is an integer number (112021077728).

Almost surely, 2^671980083591 is an apocalyptic number.

671980083591 is a deficient number, since it is larger than the sum of its proper divisors (224188538233).

671980083591 is a wasteful number, since it uses less digits than its factorization.

671980083591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48794261.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 671980083591 in words is "six hundred seventy-one billion, nine hundred eighty million, eighty-three thousand, five hundred ninety-one".