671383258782 has 16 divisors (see below), whose sum is σ = 1342776923280. Its totient is φ = 223792685312.

The previous prime is 671383258759. The next prime is 671383258813. The reversal of 671383258782 is 287852383176.

671383258782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591694 + ... + 1301102.

It is an arithmetic number, because the mean of its divisors is an integer number (83923557705).

Almost surely, 2^671383258782 is an apocalyptic number.

671383258782 is an abundant number, since it is smaller than the sum of its proper divisors (671393664498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671383258782 is a wasteful number, since it uses less digits than its factorization.

671383258782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867147.

The product of its digits is 27095040, while the sum is 60.

The spelling of 671383258782 in words is "six hundred seventy-one billion, three hundred eighty-three million, two hundred fifty-eight thousand, seven hundred eighty-two".