803664011 has 4 divisors (see below), whose sum is σ = 804235800. Its totient is φ = 803092224.

The previous prime is 803663977. The next prime is 803664031. The reversal of 803664011 is 110466308.

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 803664011 - 2²⁶ = 736555147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803664031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283781 + ... + 286598.

It is an arithmetic number, because the mean of its divisors is an integer number (201058950).

Almost surely, 2^803664011 is an apocalyptic number.

803664011 is a deficient number, since it is larger than the sum of its proper divisors (571789).

803664011 is a wasteful number, since it uses less digits than its factorization.

803664011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571788.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 803664011 is about 28348.9684292039. The cubic root of 803664011 is about 929.7328446029.

The spelling of 803664011 in words is "eight hundred three million, six hundred sixty-four thousand, eleven".