8107813712 has 10 divisors (see below), whose sum is σ = 15708889098. Its totient is φ = 4053906848.

The previous prime is 8107813711. The next prime is 8107813729. The reversal of 8107813712 is 2173187018.

It can be written as a sum of positive squares in only one way, i.e., 7884729616 + 223084096 = 88796^2 + 14936^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8107813711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253369163 + ... + 253369194.

Almost surely, 2^8107813712 is an apocalyptic number.

It is an amenable number.

8107813712 is a deficient number, since it is larger than the sum of its proper divisors (7601075386).

8107813712 is a wasteful number, since it uses less digits than its factorization.

8107813712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506738365 (or 506738359 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 8107813712 is about 90043.3990473483. The cubic root of 8107813712 is about 2008.9444150880.

The spelling of 8107813712 in words is "eight billion, one hundred seven million, eight hundred thirteen thousand, seven hundred twelve".