82850540 has 24 divisors (see below), whose sum is σ = 174191472. Its totient is φ = 33101120.

The previous prime is 82850527. The next prime is 82850543. The reversal of 82850540 is 4505828.

It is a junction number, because it is equal to n+sod(n) for n = 82850497 and 82850506.

It is not an unprimeable number, because it can be changed into a prime (82850543) 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 7 ways as a sum of consecutive naturals, for example, 19922 + ... + 23718.

It is an arithmetic number, because the mean of its divisors is an integer number (7257978).

Almost surely, 2^82850540 is an apocalyptic number.

It is an amenable number.

82850540 is an abundant number, since it is smaller than the sum of its proper divisors (91340932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82850540 is a wasteful number, since it uses less digits than its factorization.

82850540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897 (or 4895 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 82850540 is about 9102.2271999769. The cubic root of 82850540 is about 435.9450804769.

The spelling of 82850540 in words is "eighty-two million, eight hundred fifty thousand, five hundred forty".