84125711 has 16 divisors (see below), whose sum is σ = 90647040. Its totient is φ = 77837760.

The previous prime is 84125693. The next prime is 84125747. The reversal of 84125711 is 11752148.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84125711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84125761) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 181466 + ... + 181928.

It is an arithmetic number, because the mean of its divisors is an integer number (5665440).

Almost surely, 2^84125711 is an apocalyptic number.

84125711 is a deficient number, since it is larger than the sum of its proper divisors (6521329).

84125711 is a wasteful number, since it uses less digits than its factorization.

84125711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its digits is 2240, while the sum is 29.

The square root of 84125711 is about 9172.0069232420. The cubic root of 84125711 is about 438.1702787956.

Adding to 84125711 its reverse (11752148), we get a palindrome (95877859).

The spelling of 84125711 in words is "eighty-four million, one hundred twenty-five thousand, seven hundred eleven".