8408663523 has 48 divisors (see below), whose sum is σ = 13400697856. Its totient is φ = 5049112320.

The previous prime is 8408663521. The next prime is 8408663533. The reversal of 8408663523 is 3253668048.

It is a happy number.

8408663523 is a `hidden beast` number, since 8 + 4 + 0 + 8 + 6 + 635 + 2 + 3 = 666.

It is not a de Polignac number, because 8408663523 - 2¹ = 8408663521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8408663521) 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 47 ways as a sum of consecutive naturals, for example, 901761 + ... + 911037.

Almost surely, 2^8408663523 is an apocalyptic number.

8408663523 is a deficient number, since it is larger than the sum of its proper divisors (4992034333).

8408663523 is a wasteful number, since it uses less digits than its factorization.

8408663523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9484 (or 9481 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 8408663523 is about 91698.7651116415. The cubic root of 8408663523 is about 2033.4913285245.

The spelling of 8408663523 in words is "eight billion, four hundred eight million, six hundred sixty-three thousand, five hundred twenty-three".