84519955 has 8 divisors (see below), whose sum is σ = 109225872. Its totient is φ = 62414688.

The previous prime is 84519913. The next prime is 84519977. The reversal of 84519955 is 55991548.

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 84519955 - 2⁹ = 84519443 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 650089 + ... + 650218.

It is an arithmetic number, because the mean of its divisors is an integer number (13653234).

Almost surely, 2^84519955 is an apocalyptic number.

84519955 is a deficient number, since it is larger than the sum of its proper divisors (24705917).

84519955 is a wasteful number, since it uses less digits than its factorization.

84519955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300325.

The product of its digits is 324000, while the sum is 46.

The square root of 84519955 is about 9193.4735002609. The cubic root of 84519955 is about 438.8536879908.

The spelling of 84519955 in words is "eighty-four million, five hundred nineteen thousand, nine hundred fifty-five".