78805242368 has 40 divisors (see below), whose sum is σ = 157506726960. Its totient is φ = 39390069760.

The previous prime is 78805242353. The next prime is 78805242377. The reversal of 78805242368 is 86324250887.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703123 + ... + 1748781.

It is an arithmetic number, because the mean of its divisors is an integer number (3937668174).

Almost surely, 2^78805242368 is an apocalyptic number.

It is an amenable number.

78805242368 is a deficient number, since it is larger than the sum of its proper divisors (78701484592).

78805242368 is an equidigital number, since it uses as much as digits as its factorization.

78805242368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49048 (or 49032 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 78805242368 in words is "seventy-eight billion, eight hundred five million, two hundred forty-two thousand, three hundred sixty-eight".