80579668 has 12 divisors (see below), whose sum is σ = 151861780. Its totient is φ = 37190592.

The previous prime is 80579651. The next prime is 80579669. The reversal of 80579668 is 86697508.

It can be written as a sum of positive squares in 2 ways, for example, as 35259844 + 45319824 = 5938^2 + 6732^2 .

It is a super-3 number, since 3×80579668³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80579669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774753 + ... + 774856.

Almost surely, 2^80579668 is an apocalyptic number.

It is an amenable number.

80579668 is a deficient number, since it is larger than the sum of its proper divisors (71282112).

80579668 is a wasteful number, since it uses less digits than its factorization.

80579668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549626 (or 1549624 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 80579668 is about 8976.6178486109. The cubic root of 80579668 is about 431.9251484969.

The spelling of 80579668 in words is "eighty million, five hundred seventy-nine thousand, six hundred sixty-eight".