800079668 has 12 divisors (see below), whose sum is σ = 1414574532. Its totient is φ = 395915520.

The previous prime is 800079661. The next prime is 800079677. The reversal of 800079668 is 866970008.

It can be written as a sum of positive squares in 2 ways, for example, as 609694864 + 190384804 = 24692^2 + 13798^2 .

It is a super-3 number, since 3×800079668³ (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 (800079661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030643 + ... + 1031418.

It is an arithmetic number, because the mean of its divisors is an integer number (117881211).

Almost surely, 2^800079668 is an apocalyptic number.

It is an amenable number.

800079668 is a deficient number, since it is larger than the sum of its proper divisors (614494864).

800079668 is a wasteful number, since it uses less digits than its factorization.

800079668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062162 (or 2062160 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 800079668 is about 28285.6795569772. The cubic root of 800079668 is about 928.3485812080.

The spelling of 800079668 in words is "eight hundred million, seventy-nine thousand, six hundred sixty-eight".