8137117852 has 6 divisors (see below), whose sum is σ = 14239956248. Its totient is φ = 4068558924.

The previous prime is 8137117837. The next prime is 8137117853. The reversal of 8137117852 is 2587117318.

It is a junction number, because it is equal to n+sod(n) for n = 8137117799 and 8137117808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8137117853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1017139728 + ... + 1017139735.

Almost surely, 2^8137117852 is an apocalyptic number.

It is an amenable number.

8137117852 is a deficient number, since it is larger than the sum of its proper divisors (6102838396).

8137117852 is a wasteful number, since it uses less digits than its factorization.

8137117852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034279467 (or 2034279465 counting only the distinct ones).

The product of its digits is 94080, while the sum is 43.

The square root of 8137117852 is about 90205.9745914870. The cubic root of 8137117852 is about 2011.3618199645.

The spelling of 8137117852 in words is "eight billion, one hundred thirty-seven million, one hundred seventeen thousand, eight hundred fifty-two".