878740004827 has 2 divisors, whose sum is σ = 878740004828. Its totient is φ = 878740004826.

The previous prime is 878740004801. The next prime is 878740004869. The reversal of 878740004827 is 728400047878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 878740004827 - 2³¹ = 876592521179 is a prime.

It is not a weakly prime, because it can be changed into another prime (878740014827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439370002413 + 439370002414.

It is an arithmetic number, because the mean of its divisors is an integer number (439370002414).

Almost surely, 2^878740004827 is an apocalyptic number.

878740004827 is a deficient number, since it is larger than the sum of its proper divisors (1).

878740004827 is an equidigital number, since it uses as much as digits as its factorization.

878740004827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5619712, while the sum is 55.

The spelling of 878740004827 in words is "eight hundred seventy-eight billion, seven hundred forty million, four thousand, eight hundred twenty-seven".