871404290 has 16 divisors (see below), whose sum is σ = 1572903360. Its totient is φ = 347589360.

The previous prime is 871404269. The next prime is 871404319. The reversal of 871404290 is 92404178.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 871404290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117776 + ... + 124955.

It is an arithmetic number, because the mean of its divisors is an integer number (98306460).

Almost surely, 2^871404290 is an apocalyptic number.

871404290 is a deficient number, since it is larger than the sum of its proper divisors (701499070).

871404290 is a wasteful number, since it uses less digits than its factorization.

871404290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243097.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 871404290 is about 29519.5577541399. The cubic root of 871404290 is about 955.1536315250.

The spelling of 871404290 in words is "eight hundred seventy-one million, four hundred four thousand, two hundred ninety".