878382601 has 2 divisors, whose sum is σ = 878382602. Its totient is φ = 878382600.

The previous prime is 878382569. The next prime is 878382607. The reversal of 878382601 is 106283878.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 755150400 + 123232201 = 27480^2 + 11101^2 .

It is a cyclic number.

It is not a de Polignac number, because 878382601 - 2⁵ = 878382569 is a prime.

It is not a weakly prime, because it can be changed into another prime (878382607) 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 as a sum of consecutive naturals, namely, 439191300 + 439191301.

It is an arithmetic number, because the mean of its divisors is an integer number (439191301).

Almost surely, 2^878382601 is an apocalyptic number.

It is an amenable number.

878382601 is a deficient number, since it is larger than the sum of its proper divisors (1).

878382601 is an equidigital number, since it uses as much as digits as its factorization.

878382601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 878382601 is about 29637.5201560454. The cubic root of 878382601 is about 957.6965175971.

The spelling of 878382601 in words is "eight hundred seventy-eight million, three hundred eighty-two thousand, six hundred one".