80808081 has 8 divisors (see below), whose sum is σ = 108855264. Its totient is φ = 53316480.

The previous prime is 80808071. The next prime is 80808107. The reversal of 80808081 is 18080808.

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

It is not a de Polignac number, because 80808081 - 2⁶ = 80808017 is a prime.

It is a super-2 number, since 2×80808081² = 13059891909805122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80808001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138555 + ... + 139136.

It is an arithmetic number, because the mean of its divisors is an integer number (13606908).

Almost surely, 2^80808081 is an apocalyptic number.

It is an amenable number.

80808081 is a deficient number, since it is larger than the sum of its proper divisors (28047183).

80808081 is a wasteful number, since it uses less digits than its factorization.

80808081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277791.

The product of its (nonzero) digits is 4096, while the sum is 33.

The square root of 80808081 is about 8989.3315101847. The cubic root of 80808081 is about 432.3328785076.

Adding to 80808081 its reverse (18080808), we get a palindrome (98888889).

It can be divided in two parts, 8080 and 8081, that added together give a palindrome (16161).

The spelling of 80808081 in words is "eighty million, eight hundred eight thousand, eighty-one".