80009611 has 4 divisors (see below), whose sum is σ = 87283224. Its totient is φ = 72736000.

The previous prime is 80009609. The next prime is 80009653. The reversal of 80009611 is 11690008.

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 80009611 - 2¹ = 80009609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80009681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3636790 + ... + 3636811.

It is an arithmetic number, because the mean of its divisors is an integer number (21820806).

Almost surely, 2^80009611 is an apocalyptic number.

80009611 is a deficient number, since it is larger than the sum of its proper divisors (7273613).

80009611 is a wasteful number, since it uses less digits than its factorization.

80009611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273612.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 80009611 is about 8944.8091650968. The cubic root of 80009611 is about 430.9041925419.

Adding to 80009611 its reverse (11690008), we get a palindrome (91699619).

The spelling of 80009611 in words is "eighty million, nine thousand, six hundred eleven".