84179944 has 8 divisors (see below), whose sum is σ = 157837410. Its totient is φ = 42089968.

The previous prime is 84179833. The next prime is 84179957. The reversal of 84179944 is 44997148.

It can be written as a sum of positive squares in only one way, i.e., 77616100 + 6563844 = 8810^2 + 2562^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 84179894 and 84179903.

It is an unprimeable number.

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, 5261239 + ... + 5261254.

Almost surely, 2^84179944 is an apocalyptic number.

It is an amenable number.

84179944 is a deficient number, since it is larger than the sum of its proper divisors (73657466).

84179944 is a wasteful number, since it uses less digits than its factorization.

84179944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522499 (or 10522495 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 84179944 is about 9174.9628882083. The cubic root of 84179944 is about 438.2644164214.

The spelling of 84179944 in words is "eighty-four million, one hundred seventy-nine thousand, nine hundred forty-four".