4786992779 has 2 divisors, whose sum is σ = 4786992780. Its totient is φ = 4786992778.

The previous prime is 4786992653. The next prime is 4786992781. The reversal of 4786992779 is 9772996874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4786992779 - 2⁸ = 4786992523 is a prime.

Together with 4786992781, 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 (4786992799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393496389 + 2393496390.

It is an arithmetic number, because the mean of its divisors is an integer number (2393496390).

Almost surely, 2^4786992779 is an apocalyptic number.

4786992779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4786992779 is an equidigital number, since it uses as much as digits as its factorization.

4786992779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96018048, while the sum is 68.

The square root of 4786992779 is about 69188.0970904678. The cubic root of 4786992779 is about 1685.3402417645.

The spelling of 4786992779 in words is "four billion, seven hundred eighty-six million, nine hundred ninety-two thousand, seven hundred seventy-nine".