8020769913 has 36 divisors (see below), whose sum is σ = 12812342400. Its totient is φ = 4830797088.

The previous prime is 8020769909. The next prime is 8020769947. The reversal of 8020769913 is 3199670208.

It is not a de Polignac number, because 8020769913 - 2² = 8020769909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8020769513) 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 35 ways as a sum of consecutive naturals, for example, 15388 + ... + 127586.

It is an arithmetic number, because the mean of its divisors is an integer number (355898400).

Almost surely, 2^8020769913 is an apocalyptic number.

It is an amenable number.

8020769913 is a deficient number, since it is larger than the sum of its proper divisors (4791572487).

8020769913 is a wasteful number, since it uses less digits than its factorization.

8020769913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112278 (or 112262 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 8020769913 is about 89558.7511804402. The cubic root of 8020769913 is about 2001.7293303606.

The spelling of 8020769913 in words is "eight billion, twenty million, seven hundred sixty-nine thousand, nine hundred thirteen".