82711066 has 16 divisors (see below), whose sum is σ = 130808160. Its totient is φ = 39115440.

The previous prime is 82711061. The next prime is 82711093. The reversal of 82711066 is 66011728.

It is a super-2 number, since 2×82711066² = 13682240877712712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82711061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28921 + ... + 31651.

It is an arithmetic number, because the mean of its divisors is an integer number (8175510).

Almost surely, 2^82711066 is an apocalyptic number.

82711066 is a deficient number, since it is larger than the sum of its proper divisors (48097094).

82711066 is a wasteful number, since it uses less digits than its factorization.

82711066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 82711066 is about 9094.5624413712. The cubic root of 82711066 is about 435.7003137942.

The spelling of 82711066 in words is "eighty-two million, seven hundred eleven thousand, sixty-six".