7988770423 has 2 divisors, whose sum is σ = 7988770424. Its totient is φ = 7988770422.

The previous prime is 7988770421. The next prime is 7988770429. The reversal of 7988770423 is 3240778897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7988770423 - 2¹ = 7988770421 is a prime.

Together with 7988770421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7988770421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3994385211 + 3994385212.

It is an arithmetic number, because the mean of its divisors is an integer number (3994385212).

Almost surely, 2^7988770423 is an apocalyptic number.

7988770423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7988770423 is an equidigital number, since it uses as much as digits as its factorization.

7988770423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The square root of 7988770423 is about 89379.9218113330. The cubic root of 7988770423 is about 1999.0637637159.

The spelling of 7988770423 in words is "seven billion, nine hundred eighty-eight million, seven hundred seventy thousand, four hundred twenty-three".