78768953715 has 8 divisors (see below), whose sum is σ = 126030325968. Its totient is φ = 42010108640.

The previous prime is 78768953689. The next prime is 78768953723. The reversal of 78768953715 is 51735986787.

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

It is not a de Polignac number, because 78768953715 - 2¹⁵ = 78768920947 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2625631776 + ... + 2625631805.

It is an arithmetic number, because the mean of its divisors is an integer number (15753790746).

Almost surely, 2^78768953715 is an apocalyptic number.

78768953715 is a deficient number, since it is larger than the sum of its proper divisors (47261372253).

78768953715 is a wasteful number, since it uses less digits than its factorization.

78768953715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251263589.

The product of its digits is 88905600, while the sum is 66.

The spelling of 78768953715 in words is "seventy-eight billion, seven hundred sixty-eight million, nine hundred fifty-three thousand, seven hundred fifteen".