7880345299 has 2 divisors, whose sum is σ = 7880345300. Its totient is φ = 7880345298.

The previous prime is 7880345279. The next prime is 7880345311. The reversal of 7880345299 is 9925430887.

It is a strong prime.

It is an emirp because it is prime and its reverse (9925430887) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7880345299 is a prime.

It is not a weakly prime, because it can be changed into another prime (7880345279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3940172649 + 3940172650.

It is an arithmetic number, because the mean of its divisors is an integer number (3940172650).

Almost surely, 2^7880345299 is an apocalyptic number.

7880345299 is a deficient number, since it is larger than the sum of its proper divisors (1).

7880345299 is an equidigital number, since it uses as much as digits as its factorization.

7880345299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 7880345299 is about 88771.3089855050. The cubic root of 7880345299 is about 1989.9786450071.

The spelling of 7880345299 in words is "seven billion, eight hundred eighty million, three hundred forty-five thousand, two hundred ninety-nine".