82902081 has 16 divisors (see below), whose sum is σ = 117374400. Its totient is φ = 51867648.

The previous prime is 82902059. The next prime is 82902101. The reversal of 82902081 is 18020928.

It is not a de Polignac number, because 82902081 - 2⁵ = 82902049 is a prime.

It is a super-2 number, since 2×82902081² = 13745510068261122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82902181) 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, 17185 + ... + 21473.

It is an arithmetic number, because the mean of its divisors is an integer number (7335900).

Almost surely, 2^82902081 is an apocalyptic number.

It is an amenable number.

82902081 is a deficient number, since it is larger than the sum of its proper divisors (34472319).

82902081 is a wasteful number, since it uses less digits than its factorization.

82902081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688.

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

The square root of 82902081 is about 9105.0579899307. The cubic root of 82902081 is about 436.0354616529.

The spelling of 82902081 in words is "eighty-two million, nine hundred two thousand, eighty-one".