4391778704 has 20 divisors (see below), whose sum is σ = 8524043340. Its totient is φ = 2192025600.

The previous prime is 4391778689. The next prime is 4391778707. The reversal of 4391778704 is 4078771934.

It can be written as a sum of positive squares in 2 ways, for example, as 1160083600 + 3231695104 = 34060^2 + 56848^2 .

It is not an unprimeable number, because it can be changed into a prime (4391778707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232097 + ... + 250304.

It is an arithmetic number, because the mean of its divisors is an integer number (426202167).

Almost surely, 2^4391778704 is an apocalyptic number.

It is an amenable number.

4391778704 is a deficient number, since it is larger than the sum of its proper divisors (4132264636).

4391778704 is a wasteful number, since it uses less digits than its factorization.

4391778704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482978 (or 482972 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 4391778704 is about 66270.4964822205. The cubic root of 4391778704 is about 1637.6213166067.

The spelling of 4391778704 in words is "four billion, three hundred ninety-one million, seven hundred seventy-eight thousand, seven hundred four".