806681847 has 8 divisors (see below), whose sum is σ = 1101809520. Its totient is φ = 524671040.

The previous prime is 806681833. The next prime is 806681867. The reversal of 806681847 is 748186608.

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

It is a cyclic number.

It is not a de Polignac number, because 806681847 - 2⁴ = 806681831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 806681796 and 806681805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806681867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279072 + ... + 3279317.

It is an arithmetic number, because the mean of its divisors is an integer number (137726190).

Almost surely, 2^806681847 is an apocalyptic number.

806681847 is a deficient number, since it is larger than the sum of its proper divisors (295127673).

806681847 is a wasteful number, since it uses less digits than its factorization.

806681847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558433.

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 806681847 is about 28402.1451126495. The cubic root of 806681847 is about 930.8951365249.

The spelling of 806681847 in words is "eight hundred six million, six hundred eighty-one thousand, eight hundred forty-seven".