7779494444 has 12 divisors (see below), whose sum is σ = 14330647800. Its totient is φ = 3685023648.

The previous prime is 7779494431. The next prime is 7779494449. The reversal of 7779494444 is 4444949777.

It is not an unprimeable number, because it can be changed into a prime (7779494449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51180809 + ... + 51180960.

It is an arithmetic number, because the mean of its divisors is an integer number (1194220650).

Almost surely, 2^7779494444 is an apocalyptic number.

It is an amenable number.

7779494444 is a deficient number, since it is larger than the sum of its proper divisors (6551153356).

7779494444 is a wasteful number, since it uses less digits than its factorization.

7779494444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102361792 (or 102361790 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 59.

The square root of 7779494444 is about 88201.4424145093. The cubic root of 7779494444 is about 1981.4530744368.

The spelling of 7779494444 in words is "seven billion, seven hundred seventy-nine million, four hundred ninety-four thousand, four hundred forty-four".