82811146 has 16 divisors (see below), whose sum is σ = 136712448. Its totient is φ = 37307200.

The previous prime is 82811119. The next prime is 82811147. The reversal of 82811146 is 64111828.

It is not an unprimeable number, because it can be changed into a prime (82811147) 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, 14170 + ... + 19141.

It is an arithmetic number, because the mean of its divisors is an integer number (8544528).

Almost surely, 2^82811146 is an apocalyptic number.

82811146 is a deficient number, since it is larger than the sum of its proper divisors (53901302).

82811146 is a wasteful number, since it uses less digits than its factorization.

82811146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33437.

The product of its digits is 3072, while the sum is 31.

The square root of 82811146 is about 9100.0629668151. The cubic root of 82811146 is about 435.8759747389.

The spelling of 82811146 in words is "eighty-two million, eight hundred eleven thousand, one hundred forty-six".