80812104 has 16 divisors (see below), whose sum is σ = 202030320. Its totient is φ = 26937360.

The previous prime is 80812103. The next prime is 80812153. The reversal of 80812104 is 40121808.

It is a super-4 number, since 4×80812104⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 3367171 = 80812104 / (8 + 0 + 8 + 1 + 2 + 1 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (80812103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683562 + ... + 1683609.

It is an arithmetic number, because the mean of its divisors is an integer number (12626895).

Almost surely, 2^80812104 is an apocalyptic number.

It is an amenable number.

80812104 is an abundant number, since it is smaller than the sum of its proper divisors (121218216).

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

80812104 is a wasteful number, since it uses less digits than its factorization.

80812104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367180 (or 3367176 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 80812104 is about 8989.5552726484. Note that the first 3 decimals coincide. The cubic root of 80812104 is about 432.3400528986.

The spelling of 80812104 in words is "eighty million, eight hundred twelve thousand, one hundred four".