878232001 has 2 divisors, whose sum is σ = 878232002. Its totient is φ = 878232000.

The previous prime is 878231999. The next prime is 878232011. The reversal of 878232001 is 100232878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 807923776 + 70308225 = 28424^2 + 8385^2 .

It is a cyclic number.

It is not a de Polignac number, because 878232001 - 2¹ = 878231999 is a prime.

Together with 878231999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (878232011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439116000 + 439116001.

It is an arithmetic number, because the mean of its divisors is an integer number (439116001).

Almost surely, 2^878232001 is an apocalyptic number.

It is an amenable number.

878232001 is a deficient number, since it is larger than the sum of its proper divisors (1).

878232001 is an equidigital number, since it uses as much as digits as its factorization.

878232001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 878232001 is about 29634.9793487358. The cubic root of 878232001 is about 957.6417816393.

Adding to 878232001 its reverse (100232878), we get a palindrome (978464879).

The spelling of 878232001 in words is "eight hundred seventy-eight million, two hundred thirty-two thousand, one".