8079999999 has 8 divisors (see below), whose sum is σ = 10909704960. Its totient is φ = 5318480856.

The previous prime is 8079999997. The next prime is 8080000001. The reversal of 8079999999 is 9999999708.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8079999997) and next prime (8080000001).

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

It is not a de Polignac number, because 8079999999 - 2¹ = 8079999997 is a prime.

8079999999 is a modest number, since divided by 99999 gives 80799 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8079999997) 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, 17046177 + ... + 17046650.

It is an arithmetic number, because the mean of its divisors is an integer number (1363713120).

Almost surely, 2^8079999999 is an apocalyptic number.

8079999999 is a deficient number, since it is larger than the sum of its proper divisors (2829704961).

8079999999 is a wasteful number, since it uses less digits than its factorization.

8079999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34092909.

The product of its (nonzero) digits is 267846264, while the sum is 78.

The square root of 8079999999 is about 89888.8202114145. The cubic root of 8079999999 is about 2006.6445670014.

The spelling of 8079999999 in words is "eight billion, seventy-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".