878289201 has 24 divisors (see below), whose sum is σ = 1334261760. Its totient is φ = 555641856.

The previous prime is 878289199. The next prime is 878289211. The reversal of 878289201 is 102982878.

It is a happy number.

It is not a de Polignac number, because 878289201 - 2¹ = 878289199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (878289211) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9585 + ... + 42993.

It is an arithmetic number, because the mean of its divisors is an integer number (55594240).

Almost surely, 2^878289201 is an apocalyptic number.

It is an amenable number.

878289201 is a deficient number, since it is larger than the sum of its proper divisors (455972559).

878289201 is a wasteful number, since it uses less digits than its factorization.

878289201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33565 (or 33562 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 878289201 is about 29635.9444087750. The cubic root of 878289201 is about 957.6625718635.

The spelling of 878289201 in words is "eight hundred seventy-eight million, two hundred eighty-nine thousand, two hundred one".