7423779444 has 24 divisors (see below), whose sum is σ = 17378584608. Its totient is φ = 2466531360.

The previous prime is 7423779443. The next prime is 7423779449. The reversal of 7423779444 is 4449773247.

It is a super-2 number, since 2×7423779444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7423779443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003887 + ... + 1011254.

It is an arithmetic number, because the mean of its divisors is an integer number (724107692).

Almost surely, 2^7423779444 is an apocalyptic number.

It is an amenable number.

7423779444 is an abundant number, since it is smaller than the sum of its proper divisors (9954805164).

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

7423779444 is a wasteful number, since it uses less digits than its factorization.

7423779444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015455 (or 2015453 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 51.

The square root of 7423779444 is about 86161.3570227396. The cubic root of 7423779444 is about 1950.7802657865.

The spelling of 7423779444 in words is "seven billion, four hundred twenty-three million, seven hundred seventy-nine thousand, four hundred forty-four".