384804878863 has 2 divisors, whose sum is σ = 384804878864. Its totient is φ = 384804878862.

The previous prime is 384804878839. The next prime is 384804878911. The reversal of 384804878863 is 368878408483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384804878863 - 2⁹ = 384804878351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384804878803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192402439431 + 192402439432.

It is an arithmetic number, because the mean of its divisors is an integer number (192402439432).

Almost surely, 2^384804878863 is an apocalyptic number.

384804878863 is a deficient number, since it is larger than the sum of its proper divisors (1).

384804878863 is an equidigital number, since it uses as much as digits as its factorization.

384804878863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198180864, while the sum is 67.

The spelling of 384804878863 in words is "three hundred eighty-four billion, eight hundred four million, eight hundred seventy-eight thousand, eight hundred sixty-three".