80864011 has 4 divisors (see below), whose sum is σ = 80883000. Its totient is φ = 80845024.

The previous prime is 80864009. The next prime is 80864023. The reversal of 80864011 is 11046808.

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 80864011 - 2¹ = 80864009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80864041) 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, 180 + ... + 12718.

It is an arithmetic number, because the mean of its divisors is an integer number (20220750).

Almost surely, 2^80864011 is an apocalyptic number.

80864011 is a deficient number, since it is larger than the sum of its proper divisors (18989).

80864011 is a wasteful number, since it uses less digits than its factorization.

80864011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18988.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 80864011 is about 8992.4418819362. The cubic root of 80864011 is about 432.4325995630.

The spelling of 80864011 in words is "eighty million, eight hundred sixty-four thousand, eleven".