8279388452 has 6 divisors (see below), whose sum is σ = 14488929798. Its totient is φ = 4139694224.

The previous prime is 8279388451. The next prime is 8279388473. The reversal of 8279388452 is 2548839728.

It can be written as a sum of positive squares in only one way, i.e., 6636383296 + 1643005156 = 81464^2 + 40534^2 .

It is a super-2 number, since 2×8279388452² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8279388451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034923553 + ... + 1034923560.

It is an arithmetic number, because the mean of its divisors is an integer number (2414821633).

Almost surely, 2^8279388452 is an apocalyptic number.

It is an amenable number.

8279388452 is a deficient number, since it is larger than the sum of its proper divisors (6209541346).

8279388452 is a wasteful number, since it uses less digits than its factorization.

8279388452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069847117 (or 2069847115 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The square root of 8279388452 is about 90991.1449098208. The cubic root of 8279388452 is about 2023.0164758232.

The spelling of 8279388452 in words is "eight billion, two hundred seventy-nine million, three hundred eighty-eight thousand, four hundred fifty-two".