8125878280818 has 32 divisors (see below), whose sum is σ = 16692692063040. Its totient is φ = 2635151745600.

The previous prime is 8125878280757. The next prime is 8125878280829. The reversal of 8125878280818 is 8180828785218.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329088 + ... + 4044756.

It is an arithmetic number, because the mean of its divisors is an integer number (521646626970).

Almost surely, 2^{8125878280818} is an apocalyptic number.

8125878280818 is an abundant number, since it is smaller than the sum of its proper divisors (8566813782222).

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

8125878280818 is a wasteful number, since it uses less digits than its factorization.

8125878280818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725562.

The product of its (nonzero) digits is 36700160, while the sum is 66.

The spelling of 8125878280818 in words is "eight trillion, one hundred twenty-five billion, eight hundred seventy-eight million, two hundred eighty thousand, eight hundred eighteen".