82766911 has 4 divisors (see below), whose sum is σ = 84169800. Its totient is φ = 81364024.

The previous prime is 82766843. The next prime is 82766927. The reversal of 82766911 is 11966728.

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 82766911 - 2¹¹ = 82764863 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82766011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701356 + ... + 701473.

It is an arithmetic number, because the mean of its divisors is an integer number (21042450).

Almost surely, 2^82766911 is an apocalyptic number.

82766911 is a deficient number, since it is larger than the sum of its proper divisors (1402889).

82766911 is a wasteful number, since it uses less digits than its factorization.

82766911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402888.

The product of its digits is 36288, while the sum is 40.

The square root of 82766911 is about 9097.6321644700. The cubic root of 82766911 is about 435.7983506960.

The spelling of 82766911 in words is "eighty-two million, seven hundred sixty-six thousand, nine hundred eleven".