80308091 has 8 divisors (see below), whose sum is σ = 81997920. Its totient is φ = 78624832.

The previous prime is 80308087. The next prime is 80308121. The reversal of 80308091 is 19080308.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80308091 - 2² = 80308087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80308691) 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, 28826 + ... + 31488.

It is an arithmetic number, because the mean of its divisors is an integer number (10249740).

Almost surely, 2^80308091 is an apocalyptic number.

80308091 is a deficient number, since it is larger than the sum of its proper divisors (1689829).

80308091 is a wasteful number, since it uses less digits than its factorization.

80308091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 80308091 is about 8961.4781704806. The cubic root of 80308091 is about 431.4393644038.

Adding to 80308091 its reverse (19080308), we get a palindrome (99388399).

The spelling of 80308091 in words is "eighty million, three hundred eight thousand, ninety-one".