4078787819 has 2 divisors, whose sum is σ = 4078787820. Its totient is φ = 4078787818.

The previous prime is 4078787729. The next prime is 4078787821. The reversal of 4078787819 is 9187878704.

4078787819 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4078787819 - 2¹⁶ = 4078722283 is a prime.

It is a super-2 number, since 2×4078787819² = 33273020144845553522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4078787821, 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 (4078787899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039393909 + 2039393910.

It is an arithmetic number, because the mean of its divisors is an integer number (2039393910).

Almost surely, 2^4078787819 is an apocalyptic number.

4078787819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078787819 is an equidigital number, since it uses as much as digits as its factorization.

4078787819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6322176, while the sum is 59.

The square root of 4078787819 is about 63865.3882709563. The cubic root of 4078787819 is about 1597.7556839744.

The spelling of 4078787819 in words is "four billion, seventy-eight million, seven hundred eighty-seven thousand, eight hundred nineteen".