82029081 has 16 divisors (see below), whose sum is σ = 113506560. Its totient is φ = 52631040.

The previous prime is 82029071. The next prime is 82029083. The reversal of 82029081 is 18092028.

It is not a de Polignac number, because 82029081 - 2⁷ = 82028953 is a prime.

It is a super-2 number, since 2×82029081² = 13457540259409122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82029083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29376 + ... + 32046.

It is an arithmetic number, because the mean of its divisors is an integer number (7094160).

Almost surely, 2^82029081 is an apocalyptic number.

It is an amenable number.

82029081 is a deficient number, since it is larger than the sum of its proper divisors (31477479).

82029081 is a wasteful number, since it uses less digits than its factorization.

82029081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 82029081 is about 9056.9907254010. The cubic root of 82029081 is about 434.4995009888.

The spelling of 82029081 in words is "eighty-two million, twenty-nine thousand, eighty-one".