8669528497 has 24 divisors (see below), whose sum is σ = 10368858600. Its totient is φ = 7222279680.

The previous prime is 8669528459. The next prime is 8669528501. The reversal of 8669528497 is 7948259668.

It can be written as a sum of positive squares in 4 ways, for example, as 3878673841 + 4790854656 = 62279^2 + 69216^2 .

It is not a de Polignac number, because 8669528497 - 2¹⁹ = 8669004209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8669528447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2139129 + ... + 2143177.

It is an arithmetic number, because the mean of its divisors is an integer number (432035775).

Almost surely, 2^8669528497 is an apocalyptic number.

It is an amenable number.

8669528497 is a deficient number, since it is larger than the sum of its proper divisors (1699330103).

8669528497 is a wasteful number, since it uses less digits than its factorization.

8669528497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281 (or 5274 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 64.

The square root of 8669528497 is about 93110.3028509735. The cubic root of 8669528497 is about 2054.3061177754.

It can be divided in two parts, 8669 and 528497, that added together give a triangular number (537166 = T₁₀₃₆).

The spelling of 8669528497 in words is "eight billion, six hundred sixty-nine million, five hundred twenty-eight thousand, four hundred ninety-seven".