83121327685794 has 8 divisors (see below), whose sum is σ = 166242655371600. Its totient is φ = 27707109228596.

The previous prime is 83121327685793. The next prime is 83121327685817. The reversal of 83121327685794 is 49758672312138.

It is a sphenic number, since it is the product of 3 distinct primes.

83121327685794 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (83121327685793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6926777307144 + ... + 6926777307155.

It is an arithmetic number, because the mean of its divisors is an integer number (20780331921450).

Almost surely, 2^{83121327685794} is an apocalyptic number.

83121327685794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83121327685794 is a wasteful number, since it uses less digits than its factorization.

83121327685794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13853554614304.

The product of its digits is 121927680, while the sum is 66.

The spelling of 83121327685794 in words is "eighty-three trillion, one hundred twenty-one billion, three hundred twenty-seven million, six hundred eighty-five thousand, seven hundred ninety-four".