8628505382506 has 8 divisors (see below), whose sum is σ = 12943002726180. Its totient is φ = 4314171140448.

The previous prime is 8628505382491. The next prime is 8628505382509. The reversal of 8628505382506 is 6052835058268.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8628371633281 + 133749225 = 2937409^2 + 11565^2 .

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

It is a super-2 number, since 2×8628505382506² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8628505382509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40643061 + ... + 40854808.

Almost surely, 2^{8628505382506} is an apocalyptic number.

8628505382506 is a deficient number, since it is larger than the sum of its proper divisors (4314497343674).

8628505382506 is a wasteful number, since it uses less digits than its factorization.

8628505382506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81550808.

The product of its (nonzero) digits is 27648000, while the sum is 58.

The spelling of 8628505382506 in words is "eight trillion, six hundred twenty-eight billion, five hundred five million, three hundred eighty-two thousand, five hundred six".