8452320780 has 96 divisors (see below), whose sum is σ = 25080523776. Its totient is φ = 2119515136.

The previous prime is 8452320769. The next prime is 8452320781. The reversal of 8452320780 is 870232548.

It is not an unprimeable number, because it can be changed into a prime (8452320781) 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, 1452637 + ... + 1458443.

It is an arithmetic number, because the mean of its divisors is an integer number (261255456).

Almost surely, 2^8452320780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8452320780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12540261888).

8452320780 is an abundant number, since it is smaller than the sum of its proper divisors (16628202996).

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

8452320780 is a wasteful number, since it uses less digits than its factorization.

8452320780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263 (or 7261 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 8452320780 is about 91936.5040666655. The cubic root of 8452320780 is about 2037.0045088684.

The spelling of 8452320780 in words is "eight billion, four hundred fifty-two million, three hundred twenty thousand, seven hundred eighty".