84168005 has 32 divisors (see below), whose sum is σ = 111283200. Its totient is φ = 60867072.

The previous prime is 84168001. The next prime is 84168061. The reversal of 84168005 is 50086148.

It is a cyclic number.

It is not a de Polignac number, because 84168005 - 2² = 84168001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84168001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377324 + ... + 377546.

It is an arithmetic number, because the mean of its divisors is an integer number (3477600).

Almost surely, 2^84168005 is an apocalyptic number.

It is an amenable number.

84168005 is a deficient number, since it is larger than the sum of its proper divisors (27115195).

84168005 is a wasteful number, since it uses less digits than its factorization.

84168005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 84168005 is about 9174.3122358027. The cubic root of 84168005 is about 438.2436961801.

The spelling of 84168005 in words is "eighty-four million, one hundred sixty-eight thousand, five".