8208912765 has 16 divisors (see below), whose sum is σ = 13135655808. Its totient is φ = 4377621696.

The previous prime is 8208912763. The next prime is 8208912769. The reversal of 8208912765 is 5672198028.

It is not a de Polignac number, because 8208912765 - 2¹ = 8208912763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208912763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154032 + ... + 200358.

It is an arithmetic number, because the mean of its divisors is an integer number (820978488).

Almost surely, 2^8208912765 is an apocalyptic number.

It is an amenable number.

8208912765 is a deficient number, since it is larger than the sum of its proper divisors (4926743043).

8208912765 is a wasteful number, since it uses less digits than its factorization.

8208912765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58148.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 8208912765 is about 90603.0505281141. The cubic root of 8208912765 is about 2017.2600145408.

The spelling of 8208912765 in words is "eight billion, two hundred eight million, nine hundred twelve thousand, seven hundred sixty-five".