8378397466 has 8 divisors (see below), whose sum is σ = 12973002624. Its totient is φ = 4054063260.

The previous prime is 8378397457. The next prime is 8378397493. The reversal of 8378397466 is 6647938738.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67567660 + ... + 67567783.

It is an arithmetic number, because the mean of its divisors is an integer number (1621625328).

Almost surely, 2^8378397466 is an apocalyptic number.

8378397466 is a deficient number, since it is larger than the sum of its proper divisors (4594605158).

8378397466 is a wasteful number, since it uses less digits than its factorization.

8378397466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135135476.

The product of its digits is 36578304, while the sum is 61.

The square root of 8378397466 is about 91533.5865461416. The cubic root of 8378397466 is about 2031.0486194978.

The spelling of 8378397466 in words is "eight billion, three hundred seventy-eight million, three hundred ninety-seven thousand, four hundred sixty-six".