7980742223 has 2 divisors, whose sum is σ = 7980742224. Its totient is φ = 7980742222.

The previous prime is 7980742219. The next prime is 7980742247. The reversal of 7980742223 is 3222470897.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3222470897) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7980742223 - 2² = 7980742219 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7980742723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3990371111 + 3990371112.

It is an arithmetic number, because the mean of its divisors is an integer number (3990371112).

Almost surely, 2^7980742223 is an apocalyptic number.

7980742223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7980742223 is an equidigital number, since it uses as much as digits as its factorization.

7980742223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 7980742223 is about 89334.9999888062. Note that the first 4 decimals coincide. The cubic root of 7980742223 is about 1998.3938958099.

The spelling of 7980742223 in words is "seven billion, nine hundred eighty million, seven hundred forty-two thousand, two hundred twenty-three".