8615628813644 has 12 divisors (see below), whose sum is σ = 15077543073264. Its totient is φ = 4307759364144.

The previous prime is 8615628813643. The next prime is 8615628813679. The reversal of 8615628813644 is 4463188265168.

It is not an unprimeable number, because it can be changed into a prime (8615628813641) 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, 13407479 + ... + 14035374.

It is an arithmetic number, because the mean of its divisors is an integer number (1256461922772).

Almost surely, 2^{8615628813644} is an apocalyptic number.

It is an amenable number.

8615628813644 is a deficient number, since it is larger than the sum of its proper divisors (6461914259620).

8615628813644 is a wasteful number, since it uses less digits than its factorization.

8615628813644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27521344 (or 27521342 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 62.

The spelling of 8615628813644 in words is "eight trillion, six hundred fifteen billion, six hundred twenty-eight million, eight hundred thirteen thousand, six hundred forty-four".