84268811 has 4 divisors (see below), whose sum is σ = 91929624. Its totient is φ = 76608000.

The previous prime is 84268799. The next prime is 84268829. The reversal of 84268811 is 11886248.

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

It is a cyclic number.

It is not a de Polignac number, because 84268811 - 2²² = 80074507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84264811) 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 in 3 ways as a sum of consecutive naturals, for example, 3830390 + ... + 3830411.

It is an arithmetic number, because the mean of its divisors is an integer number (22982406).

Almost surely, 2^84268811 is an apocalyptic number.

84268811 is a deficient number, since it is larger than the sum of its proper divisors (7660813).

84268811 is a wasteful number, since it uses less digits than its factorization.

84268811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7660812.

The product of its digits is 24576, while the sum is 38.

The square root of 84268811 is about 9179.8045186159. The cubic root of 84268811 is about 438.4185843653.

The spelling of 84268811 in words is "eighty-four million, two hundred sixty-eight thousand, eight hundred eleven".