84054169 has 2 divisors, whose sum is σ = 84054170. Its totient is φ = 84054168.

The previous prime is 84054133. The next prime is 84054197. The reversal of 84054169 is 96145048.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83265625 + 788544 = 9125^2 + 888^2 .

It is a cyclic number.

It is not a de Polignac number, because 84054169 - 2⁹ = 84053657 is a prime.

It is a super-2 number, since 2×84054169² = 14130206652561122, which contains 22 as substring.

It is equal to p_4892086 and since 84054169 and 4892086 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84054869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42027084 + 42027085.

It is an arithmetic number, because the mean of its divisors is an integer number (42027085).

Almost surely, 2^84054169 is an apocalyptic number.

It is an amenable number.

84054169 is a deficient number, since it is larger than the sum of its proper divisors (1).

84054169 is an equidigital number, since it uses as much as digits as its factorization.

84054169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 84054169 is about 9168.1060748663. The cubic root of 84054169 is about 438.0460343045.

The spelling of 84054169 in words is "eighty-four million, fifty-four thousand, one hundred sixty-nine".