84080647 has 8 divisors (see below), whose sum is σ = 96826752. Its totient is φ = 71518200.

The previous prime is 84080641. The next prime is 84080653. The reversal of 84080647 is 74608048.

It is an interprime number because it is at equal distance from previous prime (84080641) and next prime (84080653).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84080647 - 2³ = 84080639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84080641) 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 in 7 ways as a sum of consecutive naturals, for example, 44929 + ... + 46762.

It is an arithmetic number, because the mean of its divisors is an integer number (12103344).

Almost surely, 2^84080647 is an apocalyptic number.

84080647 is a deficient number, since it is larger than the sum of its proper divisors (12746105).

84080647 is a wasteful number, since it uses less digits than its factorization.

84080647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91829.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 84080647 is about 9169.5499889580. The cubic root of 84080647 is about 438.0920259364.

The spelling of 84080647 in words is "eighty-four million, eighty thousand, six hundred forty-seven".