871617854002 has 16 divisors (see below), whose sum is σ = 1494232451712. Its totient is φ = 373542904800.

The previous prime is 871617853991. The next prime is 871617854021. The reversal of 871617854002 is 200458716178.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108627 + ... + 1324777.

It is an arithmetic number, because the mean of its divisors is an integer number (93389528232).

Almost surely, 2^871617854002 is an apocalyptic number.

871617854002 is a deficient number, since it is larger than the sum of its proper divisors (622614597710).

871617854002 is a wasteful number, since it uses less digits than its factorization.

871617854002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267353.

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 871617854002 in words is "eight hundred seventy-one billion, six hundred seventeen million, eight hundred fifty-four thousand, two".