84989575073 has 8 divisors (see below), whose sum is σ = 96911189928. Its totient is φ = 73837096704.

The previous prime is 84989575063. The next prime is 84989575081. The reversal of 84989575073 is 37057598948.

It can be written as a sum of positive squares in 4 ways, for example, as 33629324689 + 51360250384 = 183383^2 + 226628^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 84989575073 - 2⁶ = 84989575009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84989575043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192283886 + ... + 192284327.

It is an arithmetic number, because the mean of its divisors is an integer number (12113898741).

Almost surely, 2^84989575073 is an apocalyptic number.

It is an amenable number.

84989575073 is a deficient number, since it is larger than the sum of its proper divisors (11921614855).

84989575073 is a wasteful number, since it uses less digits than its factorization.

84989575073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384568243.

The product of its (nonzero) digits is 76204800, while the sum is 65.

The spelling of 84989575073 in words is "eighty-four billion, nine hundred eighty-nine million, five hundred seventy-five thousand, seventy-three".