83256279 has 4 divisors (see below), whose sum is σ = 111008376. Its totient is φ = 55504184.

The previous prime is 83256203. The next prime is 83256287. The reversal of 83256279 is 97265238.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83256279 - 2⁸ = 83256023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83256279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83256289) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 13876044 + ... + 13876049.

It is an arithmetic number, because the mean of its divisors is an integer number (27752094).

Almost surely, 2^83256279 is an apocalyptic number.

83256279 is a deficient number, since it is larger than the sum of its proper divisors (27752097).

83256279 is a wasteful number, since it uses less digits than its factorization.

83256279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27752096.

The product of its digits is 181440, while the sum is 42.

The square root of 83256279 is about 9124.4878760399. The cubic root of 83256279 is about 436.6555645320.

The spelling of 83256279 in words is "eighty-three million, two hundred fifty-six thousand, two hundred seventy-nine".