84323747 has 2 divisors, whose sum is σ = 84323748. Its totient is φ = 84323746.

The previous prime is 84323713. The next prime is 84323761. The reversal of 84323747 is 74732348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84323747 - 2¹⁶ = 84258211 is a prime.

It is a super-2 number, since 2×84323747² = 14220988616240018, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84323747.

It is not a weakly prime, because it can be changed into another prime (84323797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42161873 + 42161874.

It is an arithmetic number, because the mean of its divisors is an integer number (42161874).

Almost surely, 2^84323747 is an apocalyptic number.

84323747 is a deficient number, since it is larger than the sum of its proper divisors (1).

84323747 is an equidigital number, since it uses as much as digits as its factorization.

84323747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 38.

The square root of 84323747 is about 9182.7962516872. The cubic root of 84323747 is about 438.5138340439.

The spelling of 84323747 in words is "eighty-four million, three hundred twenty-three thousand, seven hundred forty-seven".