8220497408512 has 40 divisors (see below), whose sum is σ = 16516698778800. Its totient is φ = 4087286375424.

The previous prime is 8220497408401. The next prime is 8220497408573. The reversal of 8220497408512 is 2158047940228.

It is a self number, because there is not a number n which added to its sum of digits gives 8220497408512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44756562 + ... + 44939857.

It is an arithmetic number, because the mean of its divisors is an integer number (412917469470).

Almost surely, 2^{8220497408512} is an apocalyptic number.

It is an amenable number.

8220497408512 is an abundant number, since it is smaller than the sum of its proper divisors (8296201370288).

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

8220497408512 is an equidigital number, since it uses as much as digits as its factorization.

8220497408512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89696616 (or 89696600 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 8220497408512 in words is "eight trillion, two hundred twenty billion, four hundred ninety-seven million, four hundred eight thousand, five hundred twelve".