671814383874 has 96 divisors (see below), whose sum is σ = 1420052307840. Its totient is φ = 211478496768.

The previous prime is 671814383869. The next prime is 671814383887. The reversal of 671814383874 is 478383418176.

It is a super-3 number, since 3×671814383874³ (a number of 36 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 665821482 + ... + 665822490.

It is an arithmetic number, because the mean of its divisors is an integer number (14792211540).

Almost surely, 2^671814383874 is an apocalyptic number.

671814383874 is an abundant number, since it is smaller than the sum of its proper divisors (748237923966).

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

671814383874 is a wasteful number, since it uses less digits than its factorization.

671814383874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1377 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 60.

The spelling of 671814383874 in words is "six hundred seventy-one billion, eight hundred fourteen million, three hundred eighty-three thousand, eight hundred seventy-four".