808066369 has 4 divisors (see below), whose sum is σ = 881526960. Its totient is φ = 734605780.

The previous prime is 808066349. The next prime is 808066381. The reversal of 808066369 is 963660808.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 808066369 - 2⁷ = 808066241 is a prime.

It is a super-2 number, since 2×808066369² = 1305942513417688322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808066309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36730279 + ... + 36730300.

It is an arithmetic number, because the mean of its divisors is an integer number (220381740).

Almost surely, 2^808066369 is an apocalyptic number.

It is an amenable number.

808066369 is a deficient number, since it is larger than the sum of its proper divisors (73460591).

808066369 is a wasteful number, since it uses less digits than its factorization.

808066369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73460590.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 808066369 is about 28426.5082097679. The cubic root of 808066369 is about 931.4274026005.

The spelling of 808066369 in words is "eight hundred eight million, sixty-six thousand, three hundred sixty-nine".