7774007444 has 12 divisors (see below), whose sum is σ = 15548014944. Its totient is φ = 3331717464.

The previous prime is 7774007413. The next prime is 7774007489. The reversal of 7774007444 is 4447004777.

7774007444 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7774007395 and 7774007404.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 138821534 + ... + 138821589.

It is an arithmetic number, because the mean of its divisors is an integer number (1295667912).

Almost surely, 2^7774007444 is an apocalyptic number.

It is an amenable number.

7774007444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7774007444 is a wasteful number, since it uses less digits than its factorization.

7774007444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277643134 (or 277643132 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 44.

The square root of 7774007444 is about 88170.3319943846. The cubic root of 7774007444 is about 1980.9871148461.

Adding to 7774007444 its reverse (4447004777), we get a palindrome (12221012221).

The spelling of 7774007444 in words is "seven billion, seven hundred seventy-four million, seven thousand, four hundred forty-four".