82162417 has 4 divisors (see below), whose sum is σ = 85734720. Its totient is φ = 78590116.

The previous prime is 82162393. The next prime is 82162429. The reversal of 82162417 is 71426128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82162417 - 2¹⁹ = 81638129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82162477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786117 + ... + 1786162.

It is an arithmetic number, because the mean of its divisors is an integer number (21433680).

Almost surely, 2^82162417 is an apocalyptic number.

It is an amenable number.

82162417 is a deficient number, since it is larger than the sum of its proper divisors (3572303).

82162417 is a wasteful number, since it uses less digits than its factorization.

82162417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572302.

The product of its digits is 5376, while the sum is 31.

The square root of 82162417 is about 9064.3486804072. The cubic root of 82162417 is about 434.7347958493.

The spelling of 82162417 in words is "eighty-two million, one hundred sixty-two thousand, four hundred seventeen".