83716285 has 8 divisors (see below), whose sum is σ = 100570680. Its totient is φ = 66898944.

The previous prime is 83716277. The next prime is 83716291. The reversal of 83716285 is 58261738.

It can be written as a sum of positive squares in 4 ways, for example, as 158404 + 83557881 = 398^2 + 9141^2 .

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 83716285 - 2³ = 83716277 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4020 + ... + 13549.

It is an arithmetic number, because the mean of its divisors is an integer number (12571335).

Almost surely, 2^83716285 is an apocalyptic number.

It is an amenable number.

83716285 is a deficient number, since it is larger than the sum of its proper divisors (16854395).

83716285 is a wasteful number, since it uses less digits than its factorization.

83716285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18527.

The product of its digits is 80640, while the sum is 40.

The square root of 83716285 is about 9149.6603762107. The cubic root of 83716285 is about 437.4582882682.

The spelling of 83716285 in words is "eighty-three million, seven hundred sixteen thousand, two hundred eighty-five".