800860605 has 16 divisors (see below), whose sum is σ = 1293135360. Its totient is φ = 423206208.

The previous prime is 800860601. The next prime is 800860639. The reversal of 800860605 is 506068008.

It is not a de Polignac number, because 800860605 - 2² = 800860601 is a prime.

It is a super-3 number, since 3×800860605³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800860601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243277 + ... + 246546.

It is an arithmetic number, because the mean of its divisors is an integer number (80820960).

Almost surely, 2^800860605 is an apocalyptic number.

It is an amenable number.

800860605 is a deficient number, since it is larger than the sum of its proper divisors (492274755).

800860605 is a wasteful number, since it uses less digits than its factorization.

800860605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489940.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 800860605 is about 28299.4806489448. The cubic root of 800860605 is about 928.6505286407.

The spelling of 800860605 in words is "eight hundred million, eight hundred sixty thousand, six hundred five".