8712558545 has 8 divisors (see below), whose sum is σ = 10462498920. Its totient is φ = 6965094400.

The previous prime is 8712558511. The next prime is 8712558551. The reversal of 8712558545 is 5458552178.

8712558545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 433014481 + 8279544064 = 20809^2 + 90992^2 .

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

It is not a de Polignac number, because 8712558545 - 2¹² = 8712554449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8712558493 and 8712558502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611306 + ... + 625395.

It is an arithmetic number, because the mean of its divisors is an integer number (1307812365).

Almost surely, 2^8712558545 is an apocalyptic number.

It is an amenable number.

8712558545 is a deficient number, since it is larger than the sum of its proper divisors (1749940375).

8712558545 is a wasteful number, since it uses less digits than its factorization.

8712558545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238115.

The product of its digits is 2240000, while the sum is 50.

The square root of 8712558545 is about 93341.0871213744. The cubic root of 8712558545 is about 2057.6992682450.

The spelling of 8712558545 in words is "eight billion, seven hundred twelve million, five hundred fifty-eight thousand, five hundred forty-five".