8119407709 has 8 divisors (see below), whose sum is σ = 9280690560. Its totient is φ = 6958466736.

The previous prime is 8119407707. The next prime is 8119407713. The reversal of 8119407709 is 9077049118.

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

It is a cyclic number.

It is not a de Polignac number, because 8119407709 - 2¹ = 8119407707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8119407701) 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, 32374 + ... + 131479.

It is an arithmetic number, because the mean of its divisors is an integer number (1160086320).

Almost surely, 2^8119407709 is an apocalyptic number.

It is an amenable number.

8119407709 is a deficient number, since it is larger than the sum of its proper divisors (1161282851).

8119407709 is a wasteful number, since it uses less digits than its factorization.

8119407709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170939.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 8119407709 is about 90107.7560979076. The cubic root of 8119407709 is about 2009.9015412610.

The spelling of 8119407709 in words is "eight billion, one hundred nineteen million, four hundred seven thousand, seven hundred nine".