8908905769 has 9 divisors (see below), whose sum is σ = 9159785271. Its totient is φ = 8664726600.

The previous prime is 8908905749. The next prime is 8908905779. The reversal of 8908905769 is 9675098098.

The square root of 8908905769 is 94387.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7971811225 + 937094544 = 89285^2 + 30612^2 .

It is not a de Polignac number, because 8908905769 - 2¹³ = 8908897577 is a prime.

It is a super-2 number, since 2×8908905769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8908905749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3491044 + ... + 3493594.

It is an arithmetic number, because the mean of its divisors is an integer number (1017753919).

Almost surely, 2^8908905769 is an apocalyptic number.

8908905769 is the 94387-th square number.

8908905769 is the 47194-th centered octagonal number.

It is an amenable number.

8908905769 is a deficient number, since it is larger than the sum of its proper divisors (250879502).

8908905769 is an frugal number, since it uses more digits than its factorization.

8908905769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 61.

The cubic root of 8908905769 is about 2073.0420990944.

The spelling of 8908905769 in words is "eight billion, nine hundred eight million, nine hundred five thousand, seven hundred sixty-nine".