8415605478852 has 72 divisors (see below), whose sum is σ = 24991798104000. Its totient is φ = 2354015517120.

The previous prime is 8415605478827. The next prime is 8415605478871. The reversal of 8415605478852 is 2588745065148.

8415605478852 is a `hidden beast` number, since 8 + 4 + 1 + 5 + 6 + 0 + 547 + 8 + 85 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8415605478852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 817361352 + ... + 817371647.

It is an arithmetic number, because the mean of its divisors is an integer number (347108307000).

Almost surely, 2^{8415605478852} is an apocalyptic number.

It is an amenable number.

8415605478852 is an abundant number, since it is smaller than the sum of its proper divisors (16576192625148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8415605478852 is a wasteful number, since it uses less digits than its factorization.

8415605478852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634733033 (or 1634733028 counting only the distinct ones).

The product of its (nonzero) digits is 86016000, while the sum is 63.

The spelling of 8415605478852 in words is "eight trillion, four hundred fifteen billion, six hundred five million, four hundred seventy-eight thousand, eight hundred fifty-two".