84080044 has 6 divisors (see below), whose sum is σ = 147140084. Its totient is φ = 42040020.

The previous prime is 84080041. The next prime is 84080083. The reversal of 84080044 is 44008048.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84079994 and 84080021.

It is not an unprimeable number, because it can be changed into a prime (84080041) 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 as a sum of consecutive naturals, namely, 10510002 + ... + 10510009.

Almost surely, 2^84080044 is an apocalyptic number.

It is an amenable number.

84080044 is a deficient number, since it is larger than the sum of its proper divisors (63060040).

84080044 is a wasteful number, since it uses less digits than its factorization.

84080044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21020015 (or 21020013 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 84080044 is about 9169.5171083324. The cubic root of 84080044 is about 438.0909786478.

The spelling of 84080044 in words is "eighty-four million, eighty thousand, forty-four".