7078088321 has 2 divisors, whose sum is σ = 7078088322. Its totient is φ = 7078088320.

The previous prime is 7078088309. The next prime is 7078088323. The reversal of 7078088321 is 1238808707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6671622400 + 406465921 = 81680^2 + 20161^2 .

It is a cyclic number.

It is not a de Polignac number, because 7078088321 - 2¹⁰ = 7078087297 is a prime.

Together with 7078088323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7078088323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3539044160 + 3539044161.

It is an arithmetic number, because the mean of its divisors is an integer number (3539044161).

Almost surely, 2^7078088321 is an apocalyptic number.

It is an amenable number.

7078088321 is a deficient number, since it is larger than the sum of its proper divisors (1).

7078088321 is an equidigital number, since it uses as much as digits as its factorization.

7078088321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 7078088321 is about 84131.3753661498. The cubic root of 7078088321 is about 1920.0181133455.

The spelling of 7078088321 in words is "seven billion, seventy-eight million, eighty-eight thousand, three hundred twenty-one".