7448448447 has 16 divisors (see below), whose sum is σ = 12037896960. Its totient is φ = 4514211000.

The previous prime is 7448448443. The next prime is 7448448509.

7448448447 is a `hidden beast` number, since 7 + 44 + 84 + 484 + 47 = 666.

7448448447 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7448448447 - 2² = 7448448443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7448448393 and 7448448402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7448448443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12539179 + ... + 12539772.

It is an arithmetic number, because the mean of its divisors is an integer number (752368560).

Almost surely, 2^7448448447 is an apocalyptic number.

7448448447 is a deficient number, since it is larger than the sum of its proper divisors (4589448513).

7448448447 is a wasteful number, since it uses less digits than its factorization.

7448448447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25078971 (or 25078965 counting only the distinct ones).

The product of its digits is 12845056, while the sum is 54.

The square root of 7448448447 is about 86304.3941349454. The cubic root of 7448448447 is about 1952.9386721217.

The spelling of 7448448447 in words is "seven billion, four hundred forty-eight million, four hundred forty-eight thousand, four hundred forty-seven".