80682081 has 4 divisors (see below), whose sum is σ = 107576112. Its totient is φ = 53788052.

The previous prime is 80682079. The next prime is 80682131. The reversal of 80682081 is 18028608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80682081 - 2¹ = 80682079 is a prime.

It is a super-2 number, since 2×80682081² = 13019196388981122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80682001) 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 3 ways as a sum of consecutive naturals, for example, 13447011 + ... + 13447016.

It is an arithmetic number, because the mean of its divisors is an integer number (26894028).

Almost surely, 2^80682081 is an apocalyptic number.

It is an amenable number.

80682081 is a deficient number, since it is larger than the sum of its proper divisors (26894031).

80682081 is a wasteful number, since it uses less digits than its factorization.

80682081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894030.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 80682081 is about 8982.3204685649. The cubic root of 80682081 is about 432.1080566028.

The spelling of 80682081 in words is "eighty million, six hundred eighty-two thousand, eighty-one".