81882082 has 8 divisors (see below), whose sum is σ = 123466752. Its totient is φ = 40726500.

The previous prime is 81882049. The next prime is 81882083. The reversal of 81882082 is 28028818.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (81882083) 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, 106794 + ... + 107557.

It is an arithmetic number, because the mean of its divisors is an integer number (15433344).

Almost surely, 2^81882082 is an apocalyptic number.

81882082 is a deficient number, since it is larger than the sum of its proper divisors (41584670).

81882082 is a wasteful number, since it uses less digits than its factorization.

81882082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214544.

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 81882082 is about 9048.8718633872. The cubic root of 81882082 is about 434.2397996633.

The spelling of 81882082 in words is "eighty-one million, eight hundred eighty-two thousand, eighty-two".