8421052707680 has 48 divisors (see below), whose sum is σ = 19957496564880. Its totient is φ = 3357795128832.

The previous prime is 8421052707677. The next prime is 8421052707713. The reversal of 8421052707680 is 867072501248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82964390 + ... + 83065829.

It is an arithmetic number, because the mean of its divisors is an integer number (415781178435).

Almost surely, 2^{8421052707680} is an apocalyptic number.

8421052707680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8421052707680 is an abundant number, since it is smaller than the sum of its proper divisors (11536443857200).

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

8421052707680 is a wasteful number, since it uses less digits than its factorization.

8421052707680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166030551 (or 166030543 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 8421052707680 in words is "eight trillion, four hundred twenty-one billion, fifty-two million, seven hundred seven thousand, six hundred eighty".