83439434527 has 8 divisors (see below), whose sum is σ = 88766349552. Its totient is φ = 78159043200.

The previous prime is 83439434503. The next prime is 83439434539. The reversal of 83439434527 is 72543493438.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83439434527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83439434567) 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, 11627224 + ... + 11634397.

It is an arithmetic number, because the mean of its divisors is an integer number (11095793694).

Almost surely, 2^83439434527 is an apocalyptic number.

83439434527 is a deficient number, since it is larger than the sum of its proper divisors (5326915025).

83439434527 is a wasteful number, since it uses less digits than its factorization.

83439434527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23261849.

The product of its digits is 8709120, while the sum is 52.

The spelling of 83439434527 in words is "eighty-three billion, four hundred thirty-nine million, four hundred thirty-four thousand, five hundred twenty-seven".