8270720284996 has 81 divisors (see below), whose sum is σ = 15981720120471. Its totient is φ = 3743437274304.

The previous prime is 8270720284991. The next prime is 8270720284999. The reversal of 8270720284996 is 6994820270728.

The square root of 8270720284996 is 2875886.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 214659862596 + 8056060422400 = 463314^2 + 2838320^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8270720284991) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3962969865 + ... + 3962971951.

Almost surely, 2^{8270720284996} is an apocalyptic number.

8270720284996 is the 2875886-th square number.

It is an amenable number.

8270720284996 is a deficient number, since it is larger than the sum of its proper divisors (7710999835475).

8270720284996 is an equidigital number, since it uses as much as digits as its factorization.

8270720284996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 64.

Multiplying 8270720284996 by its sum of digits (64), we get a square (529326098239744 = 23007088²).

The spelling of 8270720284996 in words is "eight trillion, two hundred seventy billion, seven hundred twenty million, two hundred eighty-four thousand, nine hundred ninety-six".