84621412648 has 16 divisors (see below), whose sum is σ = 158673487680. Its totient is φ = 42308482608.

The previous prime is 84621412643. The next prime is 84621412709.

84621412648 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 84621412598 and 84621412607.

It is not an unprimeable number, because it can be changed into a prime (84621412643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110286 + ... + 425917.

It is an arithmetic number, because the mean of its divisors is an integer number (9917092980).

Almost surely, 2^84621412648 is an apocalyptic number.

It is an amenable number.

84621412648 is a deficient number, since it is larger than the sum of its proper divisors (74052075032).

84621412648 is a wasteful number, since it uses less digits than its factorization.

84621412648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555936 (or 555932 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The spelling of 84621412648 in words is "eighty-four billion, six hundred twenty-one million, four hundred twelve thousand, six hundred forty-eight".