80982002 has 16 divisors (see below), whose sum is σ = 123970392. Its totient is φ = 39667200.

The previous prime is 80981993. The next prime is 80982019. The reversal of 80982002 is 20028908.

It is a Cunningham number, because it is equal to 8999²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 80982001 + 1 = 8999^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17528 + ... + 21660.

Almost surely, 2^80982002 is an apocalyptic number.

80982002 is a deficient number, since it is larger than the sum of its proper divisors (42988390).

80982002 is a wasteful number, since it uses less digits than its factorization.

80982002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 80982002 is about 8999.0000555617. Note that the first 4 decimals coincide. The cubic root of 80982002 is about 432.6428222890.

The spelling of 80982002 in words is "eighty million, nine hundred eighty-two thousand, two".