84047067 has 24 divisors (see below), whose sum is σ = 131459328. Its totient is φ = 51436800.

The previous prime is 84047059. The next prime is 84047071. The reversal of 84047067 is 76074048.

It is a happy number.

It is not a de Polignac number, because 84047067 - 2³ = 84047059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84047057) 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 in 23 ways as a sum of consecutive naturals, for example, 20467 + ... + 24227.

It is an arithmetic number, because the mean of its divisors is an integer number (5477472).

Almost surely, 2^84047067 is an apocalyptic number.

84047067 is a deficient number, since it is larger than the sum of its proper divisors (47412261).

84047067 is a wasteful number, since it uses less digits than its factorization.

84047067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971 (or 3968 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 84047067 is about 9167.7187456859. The cubic root of 84047067 is about 438.0336966632.

The spelling of 84047067 in words is "eighty-four million, forty-seven thousand, sixty-seven".