8142287791368 has 32 divisors (see below), whose sum is σ = 20358683308800. Its totient is φ = 2713700753088.

The previous prime is 8142287791343. The next prime is 8142287791369. The reversal of 8142287791368 is 8631977822418.

It is a super-2 number, since 2×8142287791368² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8142287791299 and 8142287791308.

It is not an unprimeable number, because it can be changed into a prime (8142287791369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24530296 + ... + 24860007.

It is an arithmetic number, because the mean of its divisors is an integer number (636208853400).

Almost surely, 2^{8142287791368} is an apocalyptic number.

It is an amenable number.

8142287791368 is an abundant number, since it is smaller than the sum of its proper divisors (12216395517432).

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

8142287791368 is a wasteful number, since it uses less digits than its factorization.

8142287791368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49397181 (or 49397177 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 66.

The spelling of 8142287791368 in words is "eight trillion, one hundred forty-two billion, two hundred eighty-seven million, seven hundred ninety-one thousand, three hundred sixty-eight".