82143417 has 8 divisors (see below), whose sum is σ = 109624320. Its totient is φ = 54712400.

The previous prime is 82143359. The next prime is 82143431. The reversal of 82143417 is 71434128.

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 82143417 - 2⁶ = 82143353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82143437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8442 + ... + 15347.

It is an arithmetic number, because the mean of its divisors is an integer number (13703040).

Almost surely, 2^82143417 is an apocalyptic number.

It is an amenable number.

82143417 is a deficient number, since it is larger than the sum of its proper divisors (27480903).

82143417 is a wasteful number, since it uses less digits than its factorization.

82143417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24943.

The product of its digits is 5376, while the sum is 30.

The square root of 82143417 is about 9063.3005577439. The cubic root of 82143417 is about 434.7012825627.

The spelling of 82143417 in words is "eighty-two million, one hundred forty-three thousand, four hundred seventeen".