80812002 has 8 divisors (see below), whose sum is σ = 161624016. Its totient is φ = 26937332.

The previous prime is 80812001. The next prime is 80812003. The reversal of 80812002 is 20021808.

It is an interprime number because it is at equal distance from previous prime (80812001) and next prime (80812003).

It is a sphenic number, since it is the product of 3 distinct primes.

80812002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 80812002.

It is not an unprimeable number, because it can be changed into a prime (80812001) 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, 6734328 + ... + 6734339.

It is an arithmetic number, because the mean of its divisors is an integer number (20203002).

Almost surely, 2^80812002 is an apocalyptic number.

80812002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80812002 is a wasteful number, since it uses less digits than its factorization.

80812002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13468672.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 80812002 is about 8989.5495993960. The cubic root of 80812002 is about 432.3398710005.

The spelling of 80812002 in words is "eighty million, eight hundred twelve thousand, two".