878783201 has 4 divisors (see below), whose sum is σ = 909086100. Its totient is φ = 848480304.

The previous prime is 878783183. The next prime is 878783207. The reversal of 878783201 is 102387878.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102387878 = 2 ⋅51193939.

It can be written as a sum of positive squares in 2 ways, for example, as 649230400 + 229552801 = 25480^2 + 15151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-878783201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878783207) 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 3 ways as a sum of consecutive naturals, for example, 15151406 + ... + 15151463.

It is an arithmetic number, because the mean of its divisors is an integer number (227271525).

Almost surely, 2^878783201 is an apocalyptic number.

It is an amenable number.

878783201 is a deficient number, since it is larger than the sum of its proper divisors (30302899).

878783201 is a wasteful number, since it uses less digits than its factorization.

878783201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30302898.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 878783201 is about 29644.2777108838. The cubic root of 878783201 is about 957.8420862501.

The spelling of 878783201 in words is "eight hundred seventy-eight million, seven hundred eighty-three thousand, two hundred one".