71706818466808 has 64 divisors (see below), whose sum is σ = 153892842840000. Its totient is φ = 30684422909952.

The previous prime is 71706818466799. The next prime is 71706818466847. The reversal of 71706818466808 is 80866481860717.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609594518 + ... + 1609639066.

It is an arithmetic number, because the mean of its divisors is an integer number (2404575669375).

Almost surely, 2^{71706818466808} is an apocalyptic number.

It is an amenable number.

71706818466808 is an abundant number, since it is smaller than the sum of its proper divisors (82186024373192).

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

71706818466808 is a wasteful number, since it uses less digits than its factorization.

71706818466808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87944 (or 87940 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 70.

The spelling of 71706818466808 in words is "seventy-one trillion, seven hundred six billion, eight hundred eighteen million, four hundred sixty-six thousand, eight hundred eight".