82860417 has 6 divisors (see below), whose sum is σ = 119687282. Its totient is φ = 55240272.

The previous prime is 82860413. The next prime is 82860451. The reversal of 82860417 is 71406828.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 123201 = 9096^2 + 351^2 .

It is not a de Polignac number, because 82860417 - 2² = 82860413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82860413) 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 5 ways as a sum of consecutive naturals, for example, 4603348 + ... + 4603365.

Almost surely, 2^82860417 is an apocalyptic number.

It is an amenable number.

82860417 is a deficient number, since it is larger than the sum of its proper divisors (36826865).

82860417 is a wasteful number, since it uses less digits than its factorization.

82860417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206719 (or 9206716 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 82860417 is about 9102.7697433254. The cubic root of 82860417 is about 435.9624034719.

The spelling of 82860417 in words is "eighty-two million, eight hundred sixty thousand, four hundred seventeen".