84318499 has 2 divisors, whose sum is σ = 84318500. Its totient is φ = 84318498.

The previous prime is 84318463. The next prime is 84318541. The reversal of 84318499 is 99481348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84318499 - 2¹³ = 84310307 is a prime.

It is a super-2 number, since 2×84318499² = 14219218547226002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84018499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42159249 + 42159250.

It is an arithmetic number, because the mean of its divisors is an integer number (42159250).

Almost surely, 2^84318499 is an apocalyptic number.

84318499 is a deficient number, since it is larger than the sum of its proper divisors (1).

84318499 is an equidigital number, since it uses as much as digits as its factorization.

84318499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 84318499 is about 9182.5104955018. The cubic root of 84318499 is about 438.5047366922.

The spelling of 84318499 in words is "eighty-four million, three hundred eighteen thousand, four hundred ninety-nine".