808220399 has 8 divisors (see below), whose sum is σ = 924094080. Its totient is φ = 692450136.

The previous prime is 808220377. The next prime is 808220407. The reversal of 808220399 is 993022808.

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

It is not a de Polignac number, because 808220399 - 2¹² = 808216303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808220339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8309 + ... + 41054.

It is an arithmetic number, because the mean of its divisors is an integer number (115511760).

Almost surely, 2^808220399 is an apocalyptic number.

808220399 is a deficient number, since it is larger than the sum of its proper divisors (115873681).

808220399 is a wasteful number, since it uses less digits than its factorization.

808220399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51709.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 808220399 is about 28429.2173476513. The cubic root of 808220399 is about 931.4865803503.

The spelling of 808220399 in words is "eight hundred eight million, two hundred twenty thousand, three hundred ninety-nine".