8028319477 has 2 divisors, whose sum is σ = 8028319478. Its totient is φ = 8028319476.

The previous prime is 8028319469. The next prime is 8028319499. The reversal of 8028319477 is 7749138208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6969077361 + 1059242116 = 83481^2 + 32546^2 .

It is a cyclic number.

It is not a de Polignac number, because 8028319477 - 2³ = 8028319469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8028319477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8028319427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4014159738 + 4014159739.

It is an arithmetic number, because the mean of its divisors is an integer number (4014159739).

Almost surely, 2^8028319477 is an apocalyptic number.

It is an amenable number.

8028319477 is a deficient number, since it is larger than the sum of its proper divisors (1).

8028319477 is an equidigital number, since it uses as much as digits as its factorization.

8028319477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 8028319477 is about 89600.8899341965. The cubic root of 8028319477 is about 2002.3571771831.

The spelling of 8028319477 in words is "eight billion, twenty-eight million, three hundred nineteen thousand, four hundred seventy-seven".