84320030834 has 32 divisors (see below), whose sum is σ = 138820515120. Its totient is φ = 38171308032.

The previous prime is 84320030833. The next prime is 84320030843. The reversal of 84320030834 is 43803002348.

It can be written as a sum of positive squares in 8 ways, for example, as 38461093225 + 45858937609 = 196115^2 + 214147^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84320030794 and 84320030803.

It is not an unprimeable number, because it can be changed into a prime (84320030833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6134882 + ... + 6148610.

Almost surely, 2^84320030834 is an apocalyptic number.

84320030834 is a deficient number, since it is larger than the sum of its proper divisors (54500484286).

84320030834 is a wasteful number, since it uses less digits than its factorization.

84320030834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18254.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 84320030834 in words is "eighty-four billion, three hundred twenty million, thirty thousand, eight hundred thirty-four".