78957763724822 has 8 divisors (see below), whose sum is σ = 118495893540000. Its totient is φ = 39459132544824.

The previous prime is 78957763724783. The next prime is 78957763724839. The reversal of 78957763724822 is 22842736775987.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9874653797 + ... + 9874661792.

It is an arithmetic number, because the mean of its divisors is an integer number (14811986692500).

Almost surely, 2^{78957763724822} is an apocalyptic number.

78957763724822 is a deficient number, since it is larger than the sum of its proper divisors (39538129815178).

78957763724822 is a wasteful number, since it uses less digits than its factorization.

78957763724822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19749317590.

The product of its digits is 3982970880, while the sum is 77.

The spelling of 78957763724822 in words is "seventy-eight trillion, nine hundred fifty-seven billion, seven hundred sixty-three million, seven hundred twenty-four thousand, eight hundred twenty-two".