84755911 has 4 divisors (see below), whose sum is σ = 84853432. Its totient is φ = 84658392.

The previous prime is 84755887. The next prime is 84755917. The reversal of 84755911 is 11955748.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84755911 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 (84755917) 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, 47445 + ... + 49198.

It is an arithmetic number, because the mean of its divisors is an integer number (21213358).

Almost surely, 2^84755911 is an apocalyptic number.

84755911 is a deficient number, since it is larger than the sum of its proper divisors (97521).

84755911 is an equidigital number, since it uses as much as digits as its factorization.

84755911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97520.

The product of its digits is 50400, while the sum is 40.

The square root of 84755911 is about 9206.2973556148. The cubic root of 84755911 is about 439.2616940015.

The spelling of 84755911 in words is "eighty-four million, seven hundred fifty-five thousand, nine hundred eleven".