671304854207 has 16 divisors (see below), whose sum is σ = 764466044160. Its totient is φ = 585050515200.

The previous prime is 671304854197. The next prime is 671304854261. The reversal of 671304854207 is 702458403176.

It is a cyclic number.

It is not a de Polignac number, because 671304854207 - 2⁸ = 671304853951 is a prime.

It is a Smith number, since the sum of its digits (47) 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 not an unprimeable number, because it can be changed into a prime (671304854107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20297732 + ... + 20330777.

It is an arithmetic number, because the mean of its divisors is an integer number (47779127760).

Almost surely, 2^671304854207 is an apocalyptic number.

671304854207 is a deficient number, since it is larger than the sum of its proper divisors (93161189953).

671304854207 is a wasteful number, since it uses less digits than its factorization.

671304854207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40628594.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 671304854207 in words is "six hundred seventy-one billion, three hundred four million, eight hundred fifty-four thousand, two hundred seven".