84508706 has 4 divisors (see below), whose sum is σ = 126763062. Its totient is φ = 42254352.

The previous prime is 84508687. The next prime is 84508741. The reversal of 84508706 is 60780548.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84474481 + 34225 = 9191^2 + 185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84508706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21127175 + ... + 21127178.

Almost surely, 2^84508706 is an apocalyptic number.

84508706 is a deficient number, since it is larger than the sum of its proper divisors (42254356).

84508706 is a wasteful number, since it uses less digits than its factorization.

84508706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42254355.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 84508706 is about 9192.8616872006. The cubic root of 84508706 is about 438.8342177006.

The spelling of 84508706 in words is "eighty-four million, five hundred eight thousand, seven hundred six".