80819331 has 8 divisors (see below), whose sum is σ = 113430720. Its totient is φ = 51043752.

The previous prime is 80819303. The next prime is 80819339. The reversal of 80819331 is 13391808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80819331 - 2⁶ = 80819267 is a prime.

It is a super-2 number, since 2×80819331² = 13063528526575122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80819292 and 80819301.

It is not an unprimeable number, because it can be changed into a prime (80819339) 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 7 ways as a sum of consecutive naturals, for example, 708885 + ... + 708998.

It is an arithmetic number, because the mean of its divisors is an integer number (14178840).

Almost surely, 2^80819331 is an apocalyptic number.

80819331 is a deficient number, since it is larger than the sum of its proper divisors (32611389).

80819331 is a wasteful number, since it uses less digits than its factorization.

80819331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417905.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 80819331 is about 8989.9572301541. The cubic root of 80819331 is about 432.3529405242.

The spelling of 80819331 in words is "eighty million, eight hundred nineteen thousand, three hundred thirty-one".