806206671 has 12 divisors (see below), whose sum is σ = 1180474048. Its totient is φ = 530108064.

The previous prime is 806206663. The next prime is 806206711. The reversal of 806206671 is 176602608.

It is a happy number.

It is not a de Polignac number, because 806206671 - 2³ = 806206663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806206601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612895 + ... + 614208.

Almost surely, 2^806206671 is an apocalyptic number.

806206671 is a deficient number, since it is larger than the sum of its proper divisors (374267377).

806206671 is a wasteful number, since it uses less digits than its factorization.

806206671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227182 (or 1227179 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 806206671 is about 28393.7787376038. The cubic root of 806206671 is about 930.7123193417.

The spelling of 806206671 in words is "eight hundred six million, two hundred six thousand, six hundred seventy-one".