863088613 has 2 divisors, whose sum is σ = 863088614. Its totient is φ = 863088612.

The previous prime is 863088587. The next prime is 863088649. The reversal of 863088613 is 316880368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542750209 + 320338404 = 23297^2 + 17898^2 .

It is a cyclic number.

It is not a de Polignac number, because 863088613 - 2⁹ = 863088101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 863088613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863088313) 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, 431544306 + 431544307.

It is an arithmetic number, because the mean of its divisors is an integer number (431544307).

Almost surely, 2^863088613 is an apocalyptic number.

It is an amenable number.

863088613 is a deficient number, since it is larger than the sum of its proper divisors (1).

863088613 is an equidigital number, since it uses as much as digits as its factorization.

863088613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 863088613 is about 29378.3698152229. The cubic root of 863088613 is about 952.1056206078.

The spelling of 863088613 in words is "eight hundred sixty-three million, eighty-eight thousand, six hundred thirteen".