80308369 has 4 divisors (see below), whose sum is σ = 80490096. Its totient is φ = 80126644.

The previous prime is 80308367. The next prime is 80308399. The reversal of 80308369 is 96380308.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80308369 - 2¹ = 80308367 is a prime.

It is a super-2 number, since 2×80308369² = 12898868262880322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80308367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90199 + ... + 91084.

It is an arithmetic number, because the mean of its divisors is an integer number (20122524).

Almost surely, 2^80308369 is an apocalyptic number.

It is an amenable number.

80308369 is a deficient number, since it is larger than the sum of its proper divisors (181727).

80308369 is a wasteful number, since it uses less digits than its factorization.

80308369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181726.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 80308369 is about 8961.4936813011. The cubic root of 80308369 is about 431.4398622366.

The spelling of 80308369 in words is "eighty million, three hundred eight thousand, three hundred sixty-nine".