420578875 has 16 divisors (see below), whose sum is σ = 525657600. Its totient is φ = 335966400.

The previous prime is 420578867. The next prime is 420578887. The reversal of 420578875 is 578875024.

It is not a de Polignac number, because 420578875 - 2³ = 420578867 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 99046 + ... + 103204.

It is an arithmetic number, because the mean of its divisors is an integer number (32853600).

Almost surely, 2^420578875 is an apocalyptic number.

420578875 is a deficient number, since it is larger than the sum of its proper divisors (105078725).

420578875 is an equidigital number, since it uses as much as digits as its factorization.

420578875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983 (or 4973 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 420578875 is about 20508.0197727621. The cubic root of 420578875 is about 749.2311379969.

The spelling of 420578875 in words is "four hundred twenty million, five hundred seventy-eight thousand, eight hundred seventy-five".