8421711852936 has 32 divisors (see below), whose sum is σ = 21134333943360. Its totient is φ = 2796563376192.

The previous prime is 8421711852893. The next prime is 8421711852937. The reversal of 8421711852936 is 6392581171248.

It is not an unprimeable number, because it can be changed into a prime (8421711852937) 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, 667112815 + ... + 667125438.

It is an arithmetic number, because the mean of its divisors is an integer number (660447935730).

Almost surely, 2^{8421711852936} is an apocalyptic number.

It is an amenable number.

8421711852936 is an abundant number, since it is smaller than the sum of its proper divisors (12712622090424).

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

8421711852936 is a wasteful number, since it uses less digits than its factorization.

8421711852936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334238525 (or 1334238521 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The spelling of 8421711852936 in words is "eight trillion, four hundred twenty-one billion, seven hundred eleven million, eight hundred fifty-two thousand, nine hundred thirty-six".