8130707687 has 4 divisors (see below), whose sum is σ = 8284117320. Its totient is φ = 7977298056.

The previous prime is 8130707671. The next prime is 8130707693. The reversal of 8130707687 is 7867070318.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8130707687 - 2⁴ = 8130707671 is a prime.

It is a super-2 number, since 2×8130707687² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130707587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76704737 + ... + 76704842.

It is an arithmetic number, because the mean of its divisors is an integer number (2071029330).

Almost surely, 2^8130707687 is an apocalyptic number.

8130707687 is a deficient number, since it is larger than the sum of its proper divisors (153409633).

8130707687 is a wasteful number, since it uses less digits than its factorization.

8130707687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153409632.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 8130707687 is about 90170.4368792788. The cubic root of 8130707687 is about 2010.8335187295.

The spelling of 8130707687 in words is "eight billion, one hundred thirty million, seven hundred seven thousand, six hundred eighty-seven".