82850385 has 8 divisors (see below), whose sum is σ = 132560640. Its totient is φ = 44186864.

The previous prime is 82850371. The next prime is 82850389. The reversal of 82850385 is 58305828.

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 82850385 - 2⁵ = 82850353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82850389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761665 + ... + 2761694.

It is an arithmetic number, because the mean of its divisors is an integer number (16570080).

Almost surely, 2^82850385 is an apocalyptic number.

It is an amenable number.

82850385 is a deficient number, since it is larger than the sum of its proper divisors (49710255).

82850385 is a wasteful number, since it uses less digits than its factorization.

82850385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523367.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 82850385 is about 9102.2186855733. The cubic root of 82850385 is about 435.9448086158.

The spelling of 82850385 in words is "eighty-two million, eight hundred fifty thousand, three hundred eighty-five".