863115667 has 2 divisors, whose sum is σ = 863115668. Its totient is φ = 863115666.

The previous prime is 863115637. The next prime is 863115677. The reversal of 863115667 is 766511368.

863115667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 863115667 - 2¹¹ = 863113619 is a prime.

It is not a weakly prime, because it can be changed into another prime (863115637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431557833 + 431557834.

It is an arithmetic number, because the mean of its divisors is an integer number (431557834).

Almost surely, 2^863115667 is an apocalyptic number.

863115667 is a deficient number, since it is larger than the sum of its proper divisors (1).

863115667 is an equidigital number, since it uses as much as digits as its factorization.

863115667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 863115667 is about 29378.8302524113. The cubic root of 863115667 is about 952.1155686000.

The spelling of 863115667 in words is "eight hundred sixty-three million, one hundred fifteen thousand, six hundred sixty-seven".