806609848172 has 36 divisors (see below), whose sum is σ = 1435145024040. Its totient is φ = 396658231104.

The previous prime is 806609848153. The next prime is 806609848189. The reversal of 806609848172 is 271848906608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6302288 + ... + 6429000.

Almost surely, 2^806609848172 is an apocalyptic number.

It is an amenable number.

806609848172 is a deficient number, since it is larger than the sum of its proper divisors (628535175868).

806609848172 is a wasteful number, since it uses less digits than its factorization.

806609848172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127070 (or 126961 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 806609848172 in words is "eight hundred six billion, six hundred nine million, eight hundred forty-eight thousand, one hundred seventy-two".