82099186 has 24 divisors (see below), whose sum is σ = 133966980. Its totient is φ = 37717056.

The previous prime is 82099183. The next prime is 82099211. The reversal of 82099186 is 68199028.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 34751025 + 47348161 = 5895^2 + 6881^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (82099183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98620 + ... + 99448.

Almost surely, 2^82099186 is an apocalyptic number.

82099186 is a deficient number, since it is larger than the sum of its proper divisors (51867794).

82099186 is a wasteful number, since it uses less digits than its factorization.

82099186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 82099186 is about 9060.8601136978. The cubic root of 82099186 is about 434.6232453719.

The spelling of 82099186 in words is "eighty-two million, ninety-nine thousand, one hundred eighty-six".