80420875 has 32 divisors (see below), whose sum is σ = 104457600. Its totient is φ = 61776000.

The previous prime is 80420867. The next prime is 80420909. The reversal of 80420875 is 57802408.

It is not a de Polignac number, because 80420875 - 2³ = 80420867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80420875.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404026 + ... + 404224.

It is an arithmetic number, because the mean of its divisors is an integer number (3264300).

Almost surely, 2^80420875 is an apocalyptic number.

80420875 is a deficient number, since it is larger than the sum of its proper divisors (24036725).

80420875 is a wasteful number, since it uses less digits than its factorization.

80420875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 80420875 is about 8967.7686745366. The cubic root of 80420875 is about 431.6412398540.

The spelling of 80420875 in words is "eighty million, four hundred twenty thousand, eight hundred seventy-five".