806849678 has 16 divisors (see below), whose sum is σ = 1240058160. Its totient is φ = 393521856.

The previous prime is 806849663. The next prime is 806849737. The reversal of 806849678 is 876948608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63776 + ... + 75372.

It is an arithmetic number, because the mean of its divisors is an integer number (77503635).

Almost surely, 2^806849678 is an apocalyptic number.

806849678 is a deficient number, since it is larger than the sum of its proper divisors (433208482).

806849678 is a wasteful number, since it uses less digits than its factorization.

806849678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The square root of 806849678 is about 28405.0995069547. The cubic root of 806849678 is about 930.9596899498.

The spelling of 806849678 in words is "eight hundred six million, eight hundred forty-nine thousand, six hundred seventy-eight".