80286681 has 4 divisors (see below), whose sum is σ = 107048912. Its totient is φ = 53524452.

The previous prime is 80286677. The next prime is 80286709. The reversal of 80286681 is 18668208.

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 not a de Polignac number, because 80286681 - 2² = 80286677 is a prime.

It is a super-2 number, since 2×80286681² = 12891902291991522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80286611) 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, 13381111 + ... + 13381116.

It is an arithmetic number, because the mean of its divisors is an integer number (26762228).

Almost surely, 2^80286681 is an apocalyptic number.

It is an amenable number.

80286681 is a deficient number, since it is larger than the sum of its proper divisors (26762231).

80286681 is a wasteful number, since it uses less digits than its factorization.

80286681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26762230.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 80286681 is about 8960.2835334603. The cubic root of 80286681 is about 431.4010206634.

The spelling of 80286681 in words is "eighty million, two hundred eighty-six thousand, six hundred eighty-one".