85795805 has 8 divisors (see below), whose sum is σ = 104365752. Its totient is φ = 67696128.

The previous prime is 85795799. The next prime is 85795813. The reversal of 85795805 is 50859758.

It can be written as a sum of positive squares in 4 ways, for example, as 3694084 + 82101721 = 1922^2 + 9061^2 .

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 85795805 - 2⁶ = 85795741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85795805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117164 + ... + 117893.

It is an arithmetic number, because the mean of its divisors is an integer number (13045719).

Almost surely, 2^85795805 is an apocalyptic number.

It is an amenable number.

85795805 is a deficient number, since it is larger than the sum of its proper divisors (18569947).

85795805 is a wasteful number, since it uses less digits than its factorization.

85795805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235135.

The product of its (nonzero) digits is 504000, while the sum is 47.

The square root of 85795805 is about 9262.6024960591. The cubic root of 85795805 is about 441.0508714237.

The spelling of 85795805 in words is "eighty-five million, seven hundred ninety-five thousand, eight hundred five".