84465169 has 2 divisors, whose sum is σ = 84465170. Its totient is φ = 84465168.

The previous prime is 84465137. The next prime is 84465179. The reversal of 84465169 is 96156448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63808144 + 20657025 = 7988^2 + 4545^2 .

It is a cyclic number.

It is not a de Polignac number, because 84465169 - 2⁵ = 84465137 is a prime.

It is a super-2 number, since 2×84465169² = 14268729548397122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84465109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42232584 + 42232585.

It is an arithmetic number, because the mean of its divisors is an integer number (42232585).

Almost surely, 2^84465169 is an apocalyptic number.

It is an amenable number.

84465169 is a deficient number, since it is larger than the sum of its proper divisors (1).

84465169 is an equidigital number, since it uses as much as digits as its factorization.

84465169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 84465169 is about 9190.4934035121. The cubic root of 84465169 is about 438.7588455561.

The spelling of 84465169 in words is "eighty-four million, four hundred sixty-five thousand, one hundred sixty-nine".