7959873421858 has 16 divisors (see below), whose sum is σ = 11971231128576. Its totient is φ = 3969463474480.

The previous prime is 7959873421789. The next prime is 7959873421859. The reversal of 7959873421858 is 8581243789597.

It is not an unprimeable number, because it can be changed into a prime (7959873421859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56961213 + ... + 57100783.

It is an arithmetic number, because the mean of its divisors is an integer number (748201945536).

Almost surely, 2^{7959873421858} is an apocalyptic number.

7959873421858 is a deficient number, since it is larger than the sum of its proper divisors (4011357706718).

7959873421858 is a wasteful number, since it uses less digits than its factorization.

7959873421858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214409.

The product of its digits is 1219276800, while the sum is 76.

The spelling of 7959873421858 in words is "seven trillion, nine hundred fifty-nine billion, eight hundred seventy-three million, four hundred twenty-one thousand, eight hundred fifty-eight".