4078644843 has 64 divisors (see below), whose sum is σ = 6789988352. Its totient is φ = 2120515200.

The previous prime is 4078644833. The next prime is 4078644881. The reversal of 4078644843 is 3484468704.

It is not a de Polignac number, because 4078644843 - 2⁸ = 4078644587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4078644792 and 4078644801.

It is not an unprimeable number, because it can be changed into a prime (4078644833) 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 63 ways as a sum of consecutive naturals, for example, 6719046 + ... + 6719652.

It is an arithmetic number, because the mean of its divisors is an integer number (106093568).

Almost surely, 2^4078644843 is an apocalyptic number.

4078644843 is a deficient number, since it is larger than the sum of its proper divisors (2711343509).

4078644843 is a wasteful number, since it uses less digits than its factorization.

4078644843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 2064384, while the sum is 48.

The square root of 4078644843 is about 63864.2689067995. The cubic root of 4078644843 is about 1597.7370147524.

The spelling of 4078644843 in words is "four billion, seventy-eight million, six hundred forty-four thousand, eight hundred forty-three".