8106769089 has 20 divisors (see below), whose sum is σ = 12198523524. Its totient is φ = 5365056384.

The previous prime is 8106769081. The next prime is 8106769091. The reversal of 8106769089 is 9809676018.

It can be written as a sum of positive squares in 2 ways, for example, as 1798438464 + 6308330625 = 42408^2 + 79425^2 .

It is not a de Polignac number, because 8106769089 - 2³ = 8106769081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8106769081) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 354172 + ... + 376365.

Almost surely, 2^8106769089 is an apocalyptic number.

It is an amenable number.

8106769089 is a deficient number, since it is larger than the sum of its proper divisors (4091754435).

8106769089 is a wasteful number, since it uses less digits than its factorization.

8106769089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730686 (or 730677 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 8106769089 is about 90037.5981965312. The cubic root of 8106769089 is about 2008.8581329018.

The spelling of 8106769089 in words is "eight billion, one hundred six million, seven hundred sixty-nine thousand, eighty-nine".