871678614812 has 24 divisors (see below), whose sum is σ = 1615346853120. Its totient is φ = 410156582400.

The previous prime is 871678614803. The next prime is 871678614857. The reversal of 871678614812 is 218416876178.

It is a congruent number.

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, 78137 + ... + 1322672.

It is an arithmetic number, because the mean of its divisors is an integer number (67306118880).

Almost surely, 2^871678614812 is an apocalyptic number.

It is an amenable number.

871678614812 is a deficient number, since it is larger than the sum of its proper divisors (743668238308).

871678614812 is a wasteful number, since it uses less digits than its factorization.

871678614812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409981 (or 1409979 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 59.

The spelling of 871678614812 in words is "eight hundred seventy-one billion, six hundred seventy-eight million, six hundred fourteen thousand, eight hundred twelve".