671347466772 has 24 divisors (see below), whose sum is σ = 1569472613856. Its totient is φ = 223354604448.

The previous prime is 671347466767. The next prime is 671347466789. The reversal of 671347466772 is 277664743176.

It is a super-2 number, since 2×671347466772² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 53479023 + ... + 53491574.

It is an arithmetic number, because the mean of its divisors is an integer number (65394692244).

Almost surely, 2^671347466772 is an apocalyptic number.

It is an amenable number.

671347466772 is an abundant number, since it is smaller than the sum of its proper divisors (898125147084).

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

671347466772 is a wasteful number, since it uses less digits than its factorization.

671347466772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106971127 (or 106971125 counting only the distinct ones).

The product of its digits is 49787136, while the sum is 60.

The spelling of 671347466772 in words is "six hundred seventy-one billion, three hundred forty-seven million, four hundred sixty-six thousand, seven hundred seventy-two".