4778579519 has 6 divisors (see below), whose sum is σ = 5558755824. Its totient is φ = 4095925260.

The previous prime is 4778579503. The next prime is 4778579539. The reversal of 4778579519 is 9159758774.

It is a happy number.

It is not a de Polignac number, because 4778579519 - 2⁴ = 4778579503 is a prime.

It is a super-2 number, since 2×4778579519² = 45669644438812542722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778579539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48760967 + ... + 48761064.

It is an arithmetic number, because the mean of its divisors is an integer number (926459304).

Almost surely, 2^4778579519 is an apocalyptic number.

4778579519 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4778579519 is a deficient number, since it is larger than the sum of its proper divisors (780176305).

4778579519 is an equidigital number, since it uses as much as digits as its factorization.

4778579519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97522045 (or 97522038 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 62.

The square root of 4778579519 is about 69127.2704437258. The cubic root of 4778579519 is about 1684.3523201759.

The spelling of 4778579519 in words is "four billion, seven hundred seventy-eight million, five hundred seventy-nine thousand, five hundred nineteen".