8163077788172 has 24 divisors (see below), whose sum is σ = 14573735946000. Its totient is φ = 3999964914176.

The previous prime is 8163077788163. The next prime is 8163077788181. The reversal of 8163077788172 is 2718877703618.

It is an interprime number because it is at equal distance from previous prime (8163077788163) and next prime (8163077788181).

It is a junction number, because it is equal to n+sod(n) for n = 8163077788099 and 8163077788108.

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, 101419922 + ... + 101500377.

It is an arithmetic number, because the mean of its divisors is an integer number (607238997750).

Almost surely, 2^{8163077788172} is an apocalyptic number.

It is an amenable number.

8163077788172 is a deficient number, since it is larger than the sum of its proper divisors (6410658157828).

8163077788172 is a wasteful number, since it uses less digits than its factorization.

8163077788172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202920505 (or 202920503 counting only the distinct ones).

The product of its (nonzero) digits is 44255232, while the sum is 65.

The spelling of 8163077788172 in words is "eight trillion, one hundred sixty-three billion, seventy-seven million, seven hundred eighty-eight thousand, one hundred seventy-two".