82104167 has 4 divisors (see below), whose sum is σ = 82384680. Its totient is φ = 81823656.

The previous prime is 82104131. The next prime is 82104173. The reversal of 82104167 is 76140128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82104167 - 2¹⁸ = 81842023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82104107) 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, 139817 + ... + 140402.

It is an arithmetic number, because the mean of its divisors is an integer number (20596170).

Almost surely, 2^82104167 is an apocalyptic number.

82104167 is a deficient number, since it is larger than the sum of its proper divisors (280513).

82104167 is a wasteful number, since it uses less digits than its factorization.

82104167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280512.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 82104167 is about 9061.1349730594. The cubic root of 82104167 is about 434.6320347997.

The spelling of 82104167 in words is "eighty-two million, one hundred four thousand, one hundred sixty-seven".