6448862378 has 8 divisors (see below), whose sum is σ = 11055192672. Its totient is φ = 2763798156.

The previous prime is 6448862377. The next prime is 6448862411. The reversal of 6448862378 is 8732688446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6448862377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230316500 + ... + 230316527.

It is an arithmetic number, because the mean of its divisors is an integer number (1381899084).

Almost surely, 2^6448862378 is an apocalyptic number.

6448862378 is a deficient number, since it is larger than the sum of its proper divisors (4606330294).

6448862378 is a wasteful number, since it uses less digits than its factorization.

6448862378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460633036.

The product of its digits is 12386304, while the sum is 56.

The square root of 6448862378 is about 80304.8091835103. The cubic root of 6448862378 is about 1861.3485400991.

The spelling of 6448862378 in words is "six billion, four hundred forty-eight million, eight hundred sixty-two thousand, three hundred seventy-eight".