83256257613 has 8 divisors (see below), whose sum is σ = 111322816128. Its totient is φ = 55346935424.

The previous prime is 83256257597. The next prime is 83256257621. The reversal of 83256257613 is 31675265238.

It is a happy number.

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 83256257613 - 2⁴ = 83256257597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83256277613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39307845 + ... + 39309962.

It is an arithmetic number, because the mean of its divisors is an integer number (13915352016).

Almost surely, 2^83256257613 is an apocalyptic number.

It is an amenable number.

83256257613 is a deficient number, since it is larger than the sum of its proper divisors (28066558515).

83256257613 is a wasteful number, since it uses less digits than its factorization.

83256257613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78618163.

The product of its digits is 1814400, while the sum is 48.

The spelling of 83256257613 in words is "eighty-three billion, two hundred fifty-six million, two hundred fifty-seven thousand, six hundred thirteen".