83071679 has 4 divisors (see below), whose sum is σ = 83146776. Its totient is φ = 82996584.

The previous prime is 83071669. The next prime is 83071687. The reversal of 83071679 is 97617038.

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 83071679 - 2¹² = 83067583 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 (83071619) 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, 35864 + ... + 38109.

It is an arithmetic number, because the mean of its divisors is an integer number (20786694).

Almost surely, 2^83071679 is an apocalyptic number.

83071679 is a deficient number, since it is larger than the sum of its proper divisors (75097).

83071679 is a wasteful number, since it uses less digits than its factorization.

83071679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75096.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 83071679 is about 9114.3666263762. The cubic root of 83071679 is about 436.3326008401.

The spelling of 83071679 in words is "eighty-three million, seventy-one thousand, six hundred seventy-nine".