805766530 has 16 divisors (see below), whose sum is σ = 1458766584. Its totient is φ = 320442880.

The previous prime is 805766519. The next prime is 805766557. The reversal of 805766530 is 35667508.

It can be written as a sum of positive squares in 4 ways, for example, as 766791481 + 38975049 = 27691^2 + 6243^2 .

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, 231151 + ... + 234610.

Almost surely, 2^805766530 is an apocalyptic number.

805766530 is a deficient number, since it is larger than the sum of its proper divisors (653000054).

805766530 is a wasteful number, since it uses less digits than its factorization.

805766530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465941.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 805766530 is about 28386.0270203493. The cubic root of 805766530 is about 930.5429172783.

The spelling of 805766530 in words is "eight hundred five million, seven hundred sixty-six thousand, five hundred thirty".