6478448746 has 32 divisors (see below), whose sum is σ = 12344151168. Its totient is φ = 2476443840.

The previous prime is 6478448741. The next prime is 6478448749.

It is a happy number.

6478448746 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6478448741) 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, 388705 + ... + 405028.

It is an arithmetic number, because the mean of its divisors is an integer number (385754724).

Almost surely, 2^6478448746 is an apocalyptic number.

6478448746 is a deficient number, since it is larger than the sum of its proper divisors (5865702422).

6478448746 is a wasteful number, since it uses less digits than its factorization.

6478448746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793806.

The product of its digits is 28901376, while the sum is 58.

The square root of 6478448746 is about 80488.8113093988. The cubic root of 6478448746 is about 1864.1907229694.

The spelling of 6478448746 in words is "six billion, four hundred seventy-eight million, four hundred forty-eight thousand, seven hundred forty-six".