806865970 has 32 divisors (see below), whose sum is σ = 1530650880. Its totient is φ = 305389440.

The previous prime is 806865931. The next prime is 806865979. The reversal of 806865970 is 79568608.

It is not an unprimeable number, because it can be changed into a prime (806865979) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 194215 + ... + 198325.

It is an arithmetic number, because the mean of its divisors is an integer number (47832840).

Almost surely, 2^806865970 is an apocalyptic number.

806865970 is a deficient number, since it is larger than the sum of its proper divisors (723784910).

806865970 is a wasteful number, since it uses less digits than its factorization.

806865970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 806865970 is about 28405.3862849988. The cubic root of 806865970 is about 930.9659559221.

The spelling of 806865970 in words is "eight hundred six million, eight hundred sixty-five thousand, nine hundred seventy".