808473505 has 16 divisors (see below), whose sum is σ = 1173985920. Its totient is φ = 521770752.

The previous prime is 808473499. The next prime is 808473509. The reversal of 808473505 is 505374808.

It is a cyclic number.

It is not a de Polignac number, because 808473505 - 2⁷ = 808473377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (808473509) 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 15 ways as a sum of consecutive naturals, for example, 678795 + ... + 679984.

It is an arithmetic number, because the mean of its divisors is an integer number (73374120).

Almost surely, 2^808473505 is an apocalyptic number.

808473505 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

808473505 is a deficient number, since it is larger than the sum of its proper divisors (365512415).

808473505 is a wasteful number, since it uses less digits than its factorization.

808473505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358808.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 808473505 is about 28433.6685111155. The cubic root of 808473505 is about 931.5838064023.

The spelling of 808473505 in words is "eight hundred eight million, four hundred seventy-three thousand, five hundred five".