805755061 has 8 divisors (see below), whose sum is σ = 812823200. Its totient is φ = 798705360.

The previous prime is 805755043. The next prime is 805755079. The reversal of 805755061 is 160557508.

It is an interprime number because it is at equal distance from previous prime (805755043) and next prime (805755079).

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 805755061 - 2⁵ = 805755029 is a prime.

It is a super-2 number, since 2×805755061² = 1298482436654227442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 805755061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805755761) 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 7 ways as a sum of consecutive naturals, for example, 91855 + ... + 100243.

It is an arithmetic number, because the mean of its divisors is an integer number (101602900).

Almost surely, 2^805755061 is an apocalyptic number.

It is an amenable number.

805755061 is a deficient number, since it is larger than the sum of its proper divisors (7068139).

805755061 is a wasteful number, since it uses less digits than its factorization.

805755061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 805755061 is about 28385.8250012220. The cubic root of 805755061 is about 930.5385022494.

The spelling of 805755061 in words is "eight hundred five million, seven hundred fifty-five thousand, sixty-one".