82081796 has 12 divisors (see below), whose sum is σ = 144961740. Its totient is φ = 40664160.

The previous prime is 82081793. The next prime is 82081829. The reversal of 82081796 is 69718028.

It can be written as a sum of positive squares in 2 ways, for example, as 69222400 + 12859396 = 8320^2 + 3586^2 .

It is not an unprimeable number, because it can be changed into a prime (82081793) 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, 93695 + ... + 94566.

It is an arithmetic number, because the mean of its divisors is an integer number (12080145).

Almost surely, 2^82081796 is an apocalyptic number.

It is an amenable number.

82081796 is a deficient number, since it is larger than the sum of its proper divisors (62879944).

82081796 is a wasteful number, since it uses less digits than its factorization.

82081796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188374 (or 188372 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 82081796 is about 9059.9004409541. The cubic root of 82081796 is about 434.5925563468.

The spelling of 82081796 in words is "eighty-two million, eighty-one thousand, seven hundred ninety-six".