80871804 has 48 divisors (see below), whose sum is σ = 225799840. Its totient is φ = 24883200.

The previous prime is 80871793. The next prime is 80871823. The reversal of 80871804 is 40817808.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 27397 + ... + 30204.

Almost surely, 2^80871804 is an apocalyptic number.

It is an amenable number.

80871804 is an abundant number, since it is smaller than the sum of its proper divisors (144928036).

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

80871804 is a wasteful number, since it uses less digits than its factorization.

80871804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57627 (or 57619 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 80871804 is about 8992.8751798299. The cubic root of 80871804 is about 432.4464905344.

The spelling of 80871804 in words is "eighty million, eight hundred seventy-one thousand, eight hundred four".