8708520481 has 4 divisors (see below), whose sum is σ = 8709330112. Its totient is φ = 8707710852.

The previous prime is 8708520479. The next prime is 8708520511. The reversal of 8708520481 is 1840258078.

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 8708520481 - 2¹ = 8708520479 is a prime.

It is a super-3 number, since 3×8708520481³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8708520421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388461 + ... + 410266.

It is an arithmetic number, because the mean of its divisors is an integer number (2177332528).

Almost surely, 2^8708520481 is an apocalyptic number.

It is an amenable number.

8708520481 is a deficient number, since it is larger than the sum of its proper divisors (809631).

8708520481 is a wasteful number, since it uses less digits than its factorization.

8708520481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809630.

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 8708520481 is about 93319.4539257491. The cubic root of 8708520481 is about 2057.3813208698.

The spelling of 8708520481 in words is "eight billion, seven hundred eight million, five hundred twenty thousand, four hundred eighty-one".