806885867265 has 64 divisors (see below), whose sum is σ = 1377730529280. Its totient is φ = 401840409600.

The previous prime is 806885867257. The next prime is 806885867269. The reversal of 806885867265 is 562768588608.

It is not a de Polignac number, because 806885867265 - 2³ = 806885867257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 806885867265.

It is not an unprimeable number, because it can be changed into a prime (806885867269) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31830966 + ... + 31856304.

It is an arithmetic number, because the mean of its divisors is an integer number (21527039520).

Almost surely, 2^806885867265 is an apocalyptic number.

806885867265 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

806885867265 is a deficient number, since it is larger than the sum of its proper divisors (570844662015).

806885867265 is a wasteful number, since it uses less digits than its factorization.

806885867265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26342.

The product of its (nonzero) digits is 309657600, while the sum is 69.

The spelling of 806885867265 in words is "eight hundred six billion, eight hundred eighty-five million, eight hundred sixty-seven thousand, two hundred sixty-five".