84682448117893 has 4 divisors (see below), whose sum is σ = 84700500232608. Its totient is φ = 84664396003180.

The previous prime is 84682448117837. The next prime is 84682448117899. The reversal of 84682448117893 is 39871184428648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84682448117893 is a prime.

It is a super-2 number, since 2×84682448117893² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84682448117899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9026050321 + ... + 9026059702.

It is an arithmetic number, because the mean of its divisors is an integer number (21175125058152).

Almost surely, 2^{84682448117893} is an apocalyptic number.

It is an amenable number.

84682448117893 is a deficient number, since it is larger than the sum of its proper divisors (18052114715).

84682448117893 is a wasteful number, since it uses less digits than its factorization.

84682448117893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18052114714.

The product of its digits is 594542592, while the sum is 73.

The spelling of 84682448117893 in words is "eighty-four trillion, six hundred eighty-two billion, four hundred forty-eight million, one hundred seventeen thousand, eight hundred ninety-three".