389475863087 has 2 divisors, whose sum is σ = 389475863088. Its totient is φ = 389475863086.

The previous prime is 389475863057. The next prime is 389475863239. The reversal of 389475863087 is 780368574983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389475863087 - 2¹⁶ = 389475797551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389475863057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194737931543 + 194737931544.

It is an arithmetic number, because the mean of its divisors is an integer number (194737931544).

Almost surely, 2^389475863087 is an apocalyptic number.

389475863087 is a deficient number, since it is larger than the sum of its proper divisors (1).

389475863087 is an equidigital number, since it uses as much as digits as its factorization.

389475863087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243855360, while the sum is 68.

The spelling of 389475863087 in words is "three hundred eighty-nine billion, four hundred seventy-five million, eight hundred sixty-three thousand, eighty-seven".