808621471 has 16 divisors (see below), whose sum is σ = 975528000. Its totient is φ = 669195744.

The previous prime is 808621469. The next prime is 808621481. The reversal of 808621471 is 174126808.

808621471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 808621471 - 2¹ = 808621469 is a prime.

It is a super-3 number, since 3×808621471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 808621471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808621481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30700 + ... + 50593.

It is an arithmetic number, because the mean of its divisors is an integer number (60970500).

Almost surely, 2^808621471 is an apocalyptic number.

808621471 is a deficient number, since it is larger than the sum of its proper divisors (166906529).

808621471 is an equidigital number, since it uses as much as digits as its factorization.

808621471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81343 (or 81329 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 808621471 is about 28436.2703426451. The cubic root of 808621471 is about 931.6406354429.

The spelling of 808621471 in words is "eight hundred eight million, six hundred twenty-one thousand, four hundred seventy-one".