671479172102 has 8 divisors (see below), whose sum is σ = 1060230271800. Its totient is φ = 318069081504.

The previous prime is 671479172041. The next prime is 671479172123. The reversal of 671479172102 is 201271974176.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8835252227 + ... + 8835252302.

It is an arithmetic number, because the mean of its divisors is an integer number (132528783975).

Almost surely, 2^671479172102 is an apocalyptic number.

671479172102 is a deficient number, since it is larger than the sum of its proper divisors (388751099698).

671479172102 is a wasteful number, since it uses less digits than its factorization.

671479172102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670504550.

The product of its (nonzero) digits is 296352, while the sum is 47.

The spelling of 671479172102 in words is "six hundred seventy-one billion, four hundred seventy-nine million, one hundred seventy-two thousand, one hundred two".