8520799 has 8 divisors (see below), whose sum is σ = 9771680. Its totient is φ = 7278336.

The previous prime is 8520793. The next prime is 8520803. The reversal of 8520799 is 9970258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(8520799) divides (8520799-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 8520799 - 2¹³ = 8512607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247 + ... + 4135.

It is an arithmetic number, because the mean of its divisors is an integer number (1221460).

Almost surely, 2^8520799 is an apocalyptic number.

8520799 is a deficient number, since it is larger than the sum of its proper divisors (1250881).

8520799 is a wasteful number, since it uses less digits than its factorization.

8520799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 8520799 is about 2919.0407671014. The cubic root of 8520799 is about 204.2490790069.

The spelling of 8520799 in words is "eight million, five hundred twenty thousand, seven hundred ninety-nine".