8648078419 has 2 divisors, whose sum is σ = 8648078420. Its totient is φ = 8648078418.

The previous prime is 8648078389. The next prime is 8648078501. The reversal of 8648078419 is 9148708468.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8648078419 - 2²³ = 8639689811 is a prime.

It is a super-2 number, since 2×8648078419² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8648078419.

It is not a weakly prime, because it can be changed into another prime (8643078419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4324039209 + 4324039210.

It is an arithmetic number, because the mean of its divisors is an integer number (4324039210).

Almost surely, 2^8648078419 is an apocalyptic number.

8648078419 is a deficient number, since it is larger than the sum of its proper divisors (1).

8648078419 is an equidigital number, since it uses as much as digits as its factorization.

8648078419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The square root of 8648078419 is about 92995.0451314477. The cubic root of 8648078419 is about 2052.6104693023.

The spelling of 8648078419 in words is "eight billion, six hundred forty-eight million, seventy-eight thousand, four hundred nineteen".