8520454663 has 8 divisors (see below), whose sum is σ = 9764789760. Its totient is φ = 7282901400.

The previous prime is 8520454633. The next prime is 8520454669. The reversal of 8520454663 is 3664540258.

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

It is a cyclic number.

It is not a de Polignac number, because 8520454663 - 2²¹ = 8518357511 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 (8520454669) 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, 1692763 + ... + 1697788.

It is an arithmetic number, because the mean of its divisors is an integer number (1220598720).

Almost surely, 2^8520454663 is an apocalyptic number.

8520454663 is a deficient number, since it is larger than the sum of its proper divisors (1244335097).

8520454663 is a wasteful number, since it uses less digits than its factorization.

8520454663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390917.

The product of its (nonzero) digits is 691200, while the sum is 43.

The square root of 8520454663 is about 92306.3089013963. The cubic root of 8520454663 is about 2042.4632764274.

The spelling of 8520454663 in words is "eight billion, five hundred twenty million, four hundred fifty-four thousand, six hundred sixty-three".