84205768 has 8 divisors (see below), whose sum is σ = 157885830. Its totient is φ = 42102880.

The previous prime is 84205753. The next prime is 84205769. The reversal of 84205768 is 86750248.

It can be written as a sum of positive squares in only one way, i.e., 62694724 + 21511044 = 7918^2 + 4638^2 .

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

It is a super-2 number, since 2×84205768² = 14181222728939648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84205768.

It is not an unprimeable number, because it can be changed into a prime (84205769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5262853 + ... + 5262868.

Almost surely, 2^84205768 is an apocalyptic number.

It is an amenable number.

84205768 is a deficient number, since it is larger than the sum of its proper divisors (73680062).

84205768 is a wasteful number, since it uses less digits than its factorization.

84205768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10525727 (or 10525723 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 84205768 is about 9176.3700884391. The cubic root of 84205768 is about 438.3092275036.

The spelling of 84205768 in words is "eighty-four million, two hundred five thousand, seven hundred sixty-eight".