83439434528 has 12 divisors (see below), whose sum is σ = 164271386790. Its totient is φ = 41719717248.

The previous prime is 83439434503. The next prime is 83439434539. The reversal of 83439434528 is 82543493438.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60738588304 + 22700846224 = 246452^2 + 150668^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 83439434528.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1303741133 + ... + 1303741196.

Almost surely, 2^83439434528 is an apocalyptic number.

It is an amenable number.

83439434528 is a deficient number, since it is larger than the sum of its proper divisors (80831952262).

83439434528 is a wasteful number, since it uses less digits than its factorization.

83439434528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607482339 (or 2607482331 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 53.

The spelling of 83439434528 in words is "eighty-three billion, four hundred thirty-nine million, four hundred thirty-four thousand, five hundred twenty-eight".