8127420247218 has 32 divisors (see below), whose sum is σ = 17232602494464. Its totient is φ = 2546579654912.

The previous prime is 8127420247217. The next prime is 8127420247231.

8127420247218 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8127420247217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49906530 + ... + 50069117.

It is an arithmetic number, because the mean of its divisors is an integer number (538518827952).

Almost surely, 2^{8127420247218} is an apocalyptic number.

8127420247218 is an abundant number, since it is smaller than the sum of its proper divisors (9105182247246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8127420247218 is a wasteful number, since it uses less digits than its factorization.

8127420247218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99976466.

The product of its (nonzero) digits is 802816, while the sum is 48.

The spelling of 8127420247218 in words is "eight trillion, one hundred twenty-seven billion, four hundred twenty million, two hundred forty-seven thousand, two hundred eighteen".