82911135 has 16 divisors (see below), whose sum is σ = 132816384. Its totient is φ = 44166432.

The previous prime is 82911131. The next prime is 82911163. The reversal of 82911135 is 53111928.

It is not a de Polignac number, because 82911135 - 2² = 82911131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82911131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11934 + ... + 17556.

It is an arithmetic number, because the mean of its divisors is an integer number (8301024).

Almost surely, 2^82911135 is an apocalyptic number.

82911135 is a deficient number, since it is larger than the sum of its proper divisors (49905249).

82911135 is a wasteful number, since it uses less digits than its factorization.

82911135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614.

The product of its digits is 2160, while the sum is 30.

The square root of 82911135 is about 9105.5551725307. Note that the first 3 decimals coincide. The cubic root of 82911135 is about 436.0513346817.

The spelling of 82911135 in words is "eighty-two million, nine hundred eleven thousand, one hundred thirty-five".