871879816190 has 16 divisors (see below), whose sum is σ = 1569406321728. Its totient is φ = 348746892576.

The previous prime is 871879816183. The next prime is 871879816229. The reversal of 871879816190 is 91618978178.

It is a super-2 number, since 2×871879816190² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 143384 + ... + 1328276.

It is an arithmetic number, because the mean of its divisors is an integer number (98087895108).

Almost surely, 2^871879816190 is an apocalyptic number.

871879816190 is a deficient number, since it is larger than the sum of its proper divisors (697526505538).

871879816190 is a wasteful number, since it uses less digits than its factorization.

871879816190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258483.

The product of its (nonzero) digits is 12192768, while the sum is 65.

The spelling of 871879816190 in words is "eight hundred seventy-one billion, eight hundred seventy-nine million, eight hundred sixteen thousand, one hundred ninety".