7928228293 has 2 divisors, whose sum is σ = 7928228294. Its totient is φ = 7928228292.

The previous prime is 7928228281. The next prime is 7928228299. The reversal of 7928228293 is 3928228297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6698112964 + 1230115329 = 81842^2 + 35073^2 .

It is a cyclic number.

It is not a de Polignac number, because 7928228293 - 2⁹ = 7928227781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7928228293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7928228299) by changing a digit.

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 as a sum of consecutive naturals, namely, 3964114146 + 3964114147.

It is an arithmetic number, because the mean of its divisors is an integer number (3964114147).

Almost surely, 2^7928228293 is an apocalyptic number.

It is an amenable number.

7928228293 is a deficient number, since it is larger than the sum of its proper divisors (1).

7928228293 is an equidigital number, since it uses as much as digits as its factorization.

7928228293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 7928228293 is about 89040.5991275890. The cubic root of 7928228293 is about 1994.0010486989.

The spelling of 7928228293 in words is "seven billion, nine hundred twenty-eight million, two hundred twenty-eight thousand, two hundred ninety-three".