8303964007978 has 64 divisors (see below), whose sum is σ = 13928491209600. Its totient is φ = 3696291809280.

The previous prime is 8303964007967. The next prime is 8303964008059. The reversal of 8303964007978 is 8797004693038.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13003650 + ... + 13627282.

It is an arithmetic number, because the mean of its divisors is an integer number (217632675150).

Almost surely, 2^{8303964007978} is an apocalyptic number.

8303964007978 is a deficient number, since it is larger than the sum of its proper divisors (5624527201622).

8303964007978 is a wasteful number, since it uses less digits than its factorization.

8303964007978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624007.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 8303964007978 in words is "eight trillion, three hundred three billion, nine hundred sixty-four million, seven thousand, nine hundred seventy-eight".