8520259853 has 8 divisors (see below), whose sum is σ = 9738624960. Its totient is φ = 7302191040.

The previous prime is 8520259849. The next prime is 8520259871. The reversal of 8520259853 is 3589520258.

It is a happy number.

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 8520259853 - 2² = 8520259849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8520259798 and 8520259807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520259823) 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, 8588 + ... + 130821.

It is an arithmetic number, because the mean of its divisors is an integer number (1217328120).

Almost surely, 2^8520259853 is an apocalyptic number.

It is an amenable number.

8520259853 is a deficient number, since it is larger than the sum of its proper divisors (1218365107).

8520259853 is a wasteful number, since it uses less digits than its factorization.

8520259853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148147.

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 8520259853 is about 92305.2536587165. The cubic root of 8520259853 is about 2042.4477101492.

The spelling of 8520259853 in words is "eight billion, five hundred twenty million, two hundred fifty-nine thousand, eight hundred fifty-three".