8642208355612 has 72 divisors (see below), whose sum is σ = 17258119804800. Its totient is φ = 3774514206528.

The previous prime is 8642208355591. The next prime is 8642208355639. The reversal of 8642208355612 is 2165538022468.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 8642208355612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11013339 + ... + 11771917.

It is an arithmetic number, because the mean of its divisors is an integer number (239696108400).

Almost surely, 2^{8642208355612} is an apocalyptic number.

It is an amenable number.

8642208355612 is a deficient number, since it is larger than the sum of its proper divisors (8615911449188).

8642208355612 is a wasteful number, since it uses less digits than its factorization.

8642208355612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759515 (or 759500 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 8642208355612 in words is "eight trillion, six hundred forty-two billion, two hundred eight million, three hundred fifty-five thousand, six hundred twelve".