871428785102 has 8 divisors (see below), whose sum is σ = 1308095216136. Its totient is φ = 435397046392.

The previous prime is 871428785093. The next prime is 871428785191. The reversal of 871428785102 is 201587824178.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158669648 + ... + 158675139.

It is an arithmetic number, because the mean of its divisors is an integer number (163511902017).

Almost surely, 2^871428785102 is an apocalyptic number.

871428785102 is a deficient number, since it is larger than the sum of its proper divisors (436666431034).

871428785102 is a wasteful number, since it uses less digits than its factorization.

871428785102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317346162.

The product of its (nonzero) digits is 2007040, while the sum is 53.

The spelling of 871428785102 in words is "eight hundred seventy-one billion, four hundred twenty-eight million, seven hundred eighty-five thousand, one hundred two".