83217086 has 4 divisors (see below), whose sum is σ = 124825632. Its totient is φ = 41608542.

The previous prime is 83217077. The next prime is 83217089. The reversal of 83217086 is 68071238.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83217089) 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 as a sum of consecutive naturals, namely, 20804270 + ... + 20804273.

It is an arithmetic number, because the mean of its divisors is an integer number (31206408).

Almost surely, 2^83217086 is an apocalyptic number.

83217086 is a deficient number, since it is larger than the sum of its proper divisors (41608546).

83217086 is a wasteful number, since it uses less digits than its factorization.

83217086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41608545.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 83217086 is about 9122.3399410458. The cubic root of 83217086 is about 436.5870350553.

The spelling of 83217086 in words is "eighty-three million, two hundred seventeen thousand, eighty-six".