80025812 has 12 divisors (see below), whose sum is σ = 141964116. Its totient is φ = 39464640.

The previous prime is 80025797. The next prime is 80025823. The reversal of 80025812 is 21852008.

It can be written as a sum of positive squares in 2 ways, for example, as 58920976 + 21104836 = 7676^2 + 4594^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136739 + ... + 137322.

It is an arithmetic number, because the mean of its divisors is an integer number (11830343).

Almost surely, 2^80025812 is an apocalyptic number.

It is an amenable number.

80025812 is a deficient number, since it is larger than the sum of its proper divisors (61938304).

80025812 is a wasteful number, since it uses less digits than its factorization.

80025812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274138 (or 274136 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 80025812 is about 8945.7147282931. The cubic root of 80025812 is about 430.9332749134.

The spelling of 80025812 in words is "eighty million, twenty-five thousand, eight hundred twelve".