671106707773 has 8 divisors (see below), whose sum is σ = 689332793688. Its totient is φ = 652885257024.

The previous prime is 671106707759. The next prime is 671106707783. The reversal of 671106707773 is 377707601176.

It can be written as a sum of positive squares in 4 ways, for example, as 129253192324 + 541853515449 = 359518^2 + 736107^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671106707773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671106707773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671106707783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864286 + ... + 1445407.

It is an arithmetic number, because the mean of its divisors is an integer number (86166599211).

Almost surely, 2^671106707773 is an apocalyptic number.

It is an amenable number.

671106707773 is a deficient number, since it is larger than the sum of its proper divisors (18226085915).

671106707773 is a wasteful number, since it uses less digits than its factorization.

671106707773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317583.

The product of its (nonzero) digits is 1815156, while the sum is 52.

The spelling of 671106707773 in words is "six hundred seventy-one billion, one hundred six million, seven hundred seven thousand, seven hundred seventy-three".