84119144 has 8 divisors (see below), whose sum is σ = 157723410. Its totient is φ = 42059568.

The previous prime is 84119117. The next prime is 84119171. The reversal of 84119144 is 44191148.

It is an interprime number because it is at equal distance from previous prime (84119117) and next prime (84119171).

It can be written as a sum of positive squares in only one way, i.e., 69388900 + 14730244 = 8330^2 + 3838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 84119144.

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 as a sum of consecutive naturals, namely, 5257439 + ... + 5257454.

Almost surely, 2^84119144 is an apocalyptic number.

It is an amenable number.

84119144 is a deficient number, since it is larger than the sum of its proper divisors (73604266).

84119144 is a wasteful number, since it uses less digits than its factorization.

84119144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10514899 (or 10514895 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 84119144 is about 9171.6489248117. The cubic root of 84119144 is about 438.1588770531.

The spelling of 84119144 in words is "eighty-four million, one hundred nineteen thousand, one hundred forty-four".