805688061 has 32 divisors (see below), whose sum is σ = 1128165888. Its totient is φ = 510935040.

The previous prime is 805688003. The next prime is 805688069. The reversal of 805688061 is 160886508.

805688061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 805688061 - 2¹⁷ = 805556989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805688069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1739916 + ... + 1740378.

It is an arithmetic number, because the mean of its divisors is an integer number (35255184).

Almost surely, 2^805688061 is an apocalyptic number.

It is an amenable number.

805688061 is a deficient number, since it is larger than the sum of its proper divisors (322477827).

805688061 is a wasteful number, since it uses less digits than its factorization.

805688061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 805688061 is about 28384.6448101786. The cubic root of 805688061 is about 930.5127095444.

The spelling of 805688061 in words is "eight hundred five million, six hundred eighty-eight thousand, sixty-one".