8426797648 has 20 divisors (see below), whose sum is σ = 16373713300. Its totient is φ = 4201323264.

The previous prime is 8426797627. The next prime is 8426797663. The reversal of 8426797648 is 8467976248.

It can be written as a sum of positive squares in 2 ways, for example, as 3962954304 + 4463843344 = 62952^2 + 66812^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748965 + ... + 760132.

It is an arithmetic number, because the mean of its divisors is an integer number (818685665).

Almost surely, 2^8426797648 is an apocalyptic number.

It is an amenable number.

8426797648 is a deficient number, since it is larger than the sum of its proper divisors (7946915652).

8426797648 is a wasteful number, since it uses less digits than its factorization.

8426797648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509454 (or 1509448 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The square root of 8426797648 is about 91797.5906437636. The cubic root of 8426797648 is about 2034.9520881692.

The spelling of 8426797648 in words is "eight billion, four hundred twenty-six million, seven hundred ninety-seven thousand, six hundred forty-eight".