3871723117052 has 24 divisors (see below), whose sum is σ = 7766840350080. Its totient is φ = 1654296882480.

The previous prime is 3871723117013. The next prime is 3871723117061. The reversal of 3871723117052 is 2507113271783.

It is a super-2 number, since 2×3871723117052² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3871723116988 and 3871723117006.

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, 208866602 + ... + 208885137.

It is an arithmetic number, because the mean of its divisors is an integer number (323618347920).

Almost surely, 2^{3871723117052} is an apocalyptic number.

It is an amenable number.

3871723117052 is an abundant number, since it is smaller than the sum of its proper divisors (3895117233028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3871723117052 is a wasteful number, since it uses less digits than its factorization.

3871723117052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417752081 (or 417752079 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 3871723117052 in words is "three trillion, eight hundred seventy-one billion, seven hundred twenty-three million, one hundred seventeen thousand, fifty-two".