8272818780720 has 160 divisors (see below), whose sum is σ = 27835957051392. Its totient is φ = 2020351527936.

The previous prime is 8272818780713. The next prime is 8272818780727. The reversal of 8272818780720 is 270878182728.

It is an interprime number because it is at equal distance from previous prime (8272818780713) and next prime (8272818780727).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (8272818780727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10042912 + ... + 10835391.

Almost surely, 2^{8272818780720} is an apocalyptic number.

8272818780720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8272818780720 is an abundant number, since it is smaller than the sum of its proper divisors (19563138270672).

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

8272818780720 is a wasteful number, since it uses less digits than its factorization.

8272818780720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20878459 (or 20878453 counting only the distinct ones).

The product of its (nonzero) digits is 11239424, while the sum is 60.

The spelling of 8272818780720 in words is "eight trillion, two hundred seventy-two billion, eight hundred eighteen million, seven hundred eighty thousand, seven hundred twenty".