2871807994072 has 16 divisors (see below), whose sum is σ = 5384667695400. Its totient is φ = 1435896608640.

The previous prime is 2871807994057. The next prime is 2871807994093. The reversal of 2871807994072 is 2704997081782.

It is a junction number, because it is equal to n+sod(n) for n = 2871807993995 and 2871807994013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952579 + ... + 2578957.

Almost surely, 2^{2871807994072} is an apocalyptic number.

It is an amenable number.

2871807994072 is a deficient number, since it is larger than the sum of its proper divisors (2512859701328).

2871807994072 is a wasteful number, since it uses less digits than its factorization.

2871807994072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847106 (or 1847102 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 64.

The spelling of 2871807994072 in words is "two trillion, eight hundred seventy-one billion, eight hundred seven million, nine hundred ninety-four thousand, seventy-two".