808471842 has 8 divisors (see below), whose sum is σ = 1616943696. Its totient is φ = 269490612.

The previous prime is 808471819. The next prime is 808471843. The reversal of 808471842 is 248174808.

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

808471842 is an admirable number.

It is a super-3 number, since 3×808471842³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 808471794 and 808471803.

It is not an unprimeable number, because it can be changed into a prime (808471843) 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, 67372648 + ... + 67372659.

It is an arithmetic number, because the mean of its divisors is an integer number (202117962).

Almost surely, 2^808471842 is an apocalyptic number.

808471842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808471842 is a wasteful number, since it uses less digits than its factorization.

808471842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134745312.

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 808471842 is about 28433.6392675999. The cubic root of 808471842 is about 931.5831676574.

The spelling of 808471842 in words is "eight hundred eight million, four hundred seventy-one thousand, eight hundred forty-two".