84981289325 has 6 divisors (see below), whose sum is σ = 105376798794. Its totient is φ = 67985031440.

The previous prime is 84981289319. The next prime is 84981289403. The reversal of 84981289325 is 52398218948.

It can be written as a sum of positive squares in 3 ways, for example, as 675844009 + 84305445316 = 25997^2 + 290354^2 .

It is not a de Polignac number, because 84981289325 - 2¹² = 84981285229 is a prime.

It is a super-3 number, since 3×84981289325³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1699625762 + ... + 1699625811.

It is an arithmetic number, because the mean of its divisors is an integer number (17562799799).

Almost surely, 2^84981289325 is an apocalyptic number.

It is an amenable number.

84981289325 is a deficient number, since it is larger than the sum of its proper divisors (20395509469).

84981289325 is a wasteful number, since it uses less digits than its factorization.

84981289325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399251583 (or 3399251578 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 59.

The spelling of 84981289325 in words is "eighty-four billion, nine hundred eighty-one million, two hundred eighty-nine thousand, three hundred twenty-five".