84861326468 has 24 divisors (see below), whose sum is σ = 152598861912. Its totient is φ = 41262822144.

The previous prime is 84861326441. The next prime is 84861326497. The reversal of 84861326468 is 86462316848.

It can be written as a sum of positive squares in 4 ways, for example, as 17631059524 + 67230266944 = 132782^2 + 259288^2 .

It is a super-3 number, since 3×84861326468³ (a number of 34 digits) contains 333 as substring.

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, 146696 + ... + 437312.

It is an arithmetic number, because the mean of its divisors is an integer number (6358285913).

Almost surely, 2^84861326468 is an apocalyptic number.

It is an amenable number.

84861326468 is a deficient number, since it is larger than the sum of its proper divisors (67737535444).

84861326468 is a wasteful number, since it uses less digits than its factorization.

84861326468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292631 (or 292629 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 56.

The spelling of 84861326468 in words is "eighty-four billion, eight hundred sixty-one million, three hundred twenty-six thousand, four hundred sixty-eight".