82854717 has 32 divisors (see below), whose sum is σ = 126683136. Its totient is φ = 47678400.

The previous prime is 82854713. The next prime is 82854721. The reversal of 82854717 is 71745828.

It is an interprime number because it is at equal distance from previous prime (82854713) and next prime (82854721).

It is not a de Polignac number, because 82854717 - 2² = 82854713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82854713) 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 31 ways as a sum of consecutive naturals, for example, 130992 + ... + 131622.

It is an arithmetic number, because the mean of its divisors is an integer number (3958848).

Almost surely, 2^82854717 is an apocalyptic number.

It is an amenable number.

82854717 is a deficient number, since it is larger than the sum of its proper divisors (43828419).

82854717 is a wasteful number, since it uses less digits than its factorization.

82854717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its digits is 125440, while the sum is 42.

The square root of 82854717 is about 9102.4566464224. The cubic root of 82854717 is about 435.9524065688.

Subtracting from 82854717 its reverse (71745828), we obtain a square (11108889 = 3333²).

The spelling of 82854717 in words is "eighty-two million, eight hundred fifty-four thousand, seven hundred seventeen".