8488720329 has 4 divisors (see below), whose sum is σ = 11318293776. Its totient is φ = 5659146884.

The previous prime is 8488720309. The next prime is 8488720333. The reversal of 8488720329 is 9230278848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8488720329 - 2¹¹ = 8488718281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8488720309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414786719 + ... + 1414786724.

It is an arithmetic number, because the mean of its divisors is an integer number (2829573444).

Almost surely, 2^8488720329 is an apocalyptic number.

It is an amenable number.

8488720329 is a deficient number, since it is larger than the sum of its proper divisors (2829573447).

8488720329 is a wasteful number, since it uses less digits than its factorization.

8488720329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829573446.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 8488720329 is about 92134.2516602810. The cubic root of 8488720329 is about 2039.9244116072.

The spelling of 8488720329 in words is "eight billion, four hundred eighty-eight million, seven hundred twenty thousand, three hundred twenty-nine".