806375691 has 12 divisors (see below), whose sum is σ = 1270652760. Its totient is φ = 488712480.

The previous prime is 806375629. The next prime is 806375693. The reversal of 806375691 is 196573608.

It is a happy number.

806375691 is a `hidden beast` number, since 8 + 0 + 637 + 5 + 6 + 9 + 1 = 666.

It is not a de Polignac number, because 806375691 - 2⁹ = 806375179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (806375693) 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, 4072506 + ... + 4072703.

It is an arithmetic number, because the mean of its divisors is an integer number (105887730).

Almost surely, 2^806375691 is an apocalyptic number.

806375691 is a deficient number, since it is larger than the sum of its proper divisors (464277069).

806375691 is a wasteful number, since it uses less digits than its factorization.

806375691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145226 (or 8145223 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 806375691 is about 28396.7549378446. The cubic root of 806375691 is about 930.7773556034. Note that the first 3 decimals are identical.

The spelling of 806375691 in words is "eight hundred six million, three hundred seventy-five thousand, six hundred ninety-one".