871191460 has 24 divisors (see below), whose sum is σ = 1852663680. Its totient is φ = 344064864.

The previous prime is 871191443. The next prime is 871191487. The reversal of 871191460 is 64191178.

It is an unprimeable number.

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, 274114 + ... + 277273.

It is an arithmetic number, because the mean of its divisors is an integer number (77194320).

Almost surely, 2^871191460 is an apocalyptic number.

It is an amenable number.

871191460 is an abundant number, since it is smaller than the sum of its proper divisors (981472220).

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

871191460 is a wasteful number, since it uses less digits than its factorization.

871191460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551475 (or 551473 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 871191460 is about 29515.9526358205. The cubic root of 871191460 is about 955.0758636041.

The spelling of 871191460 in words is "eight hundred seventy-one million, one hundred ninety-one thousand, four hundred sixty".