8076643917 has 8 divisors (see below), whose sum is σ = 11402320896. Its totient is φ = 5067698112.

The previous prime is 8076643907. The next prime is 8076643961. The reversal of 8076643917 is 7193466708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8076643917 - 2⁸ = 8076643661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 158365567 = 8076643917 / (8 + 0 + 7 + 6 + 6 + 4 + 3 + 9 + 1 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 8076643917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8076643907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79182733 + ... + 79182834.

It is an arithmetic number, because the mean of its divisors is an integer number (1425290112).

Almost surely, 2^8076643917 is an apocalyptic number.

It is an amenable number.

8076643917 is a deficient number, since it is larger than the sum of its proper divisors (3325676979).

8076643917 is a wasteful number, since it uses less digits than its factorization.

8076643917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158365587.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 8076643917 is about 89870.1503114354. The cubic root of 8076643917 is about 2006.3667041165.

The spelling of 8076643917 in words is "eight billion, seventy-six million, six hundred forty-three thousand, nine hundred seventeen".