83105959 has 4 divisors (see below), whose sum is σ = 85352104. Its totient is φ = 80859816.

The previous prime is 83105951. The next prime is 83105977. The reversal of 83105959 is 95950138.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95950138 = 2 ⋅47975069.

It is a cyclic number.

It is not a de Polignac number, because 83105959 - 2³ = 83105951 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 (83105951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123017 + ... + 1123090.

It is an arithmetic number, because the mean of its divisors is an integer number (21338026).

Almost surely, 2^83105959 is an apocalyptic number.

83105959 is a deficient number, since it is larger than the sum of its proper divisors (2246145).

83105959 is a wasteful number, since it uses less digits than its factorization.

83105959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246144.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 83105959 is about 9116.2469799803. The cubic root of 83105959 is about 436.3926109614.

The spelling of 83105959 in words is "eighty-three million, one hundred five thousand, nine hundred fifty-nine".