80568319 has 4 divisors (see below), whose sum is σ = 86765896. Its totient is φ = 74370744.

The previous prime is 80568317. The next prime is 80568329. The reversal of 80568319 is 91386508.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80568319 - 2¹ = 80568317 is a prime.

It is a super-2 number, since 2×80568319² = 12982508052971522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80568317) 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, 3098769 + ... + 3098794.

It is an arithmetic number, because the mean of its divisors is an integer number (21691474).

Almost surely, 2^80568319 is an apocalyptic number.

80568319 is a deficient number, since it is larger than the sum of its proper divisors (6197577).

80568319 is a wasteful number, since it uses less digits than its factorization.

80568319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197576.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 80568319 is about 8975.9856840349. The cubic root of 80568319 is about 431.9048698138.

The spelling of 80568319 in words is "eighty million, five hundred sixty-eight thousand, three hundred nineteen".