865089763 has 2 divisors, whose sum is σ = 865089764. Its totient is φ = 865089762.

The previous prime is 865089733. The next prime is 865089793. The reversal of 865089763 is 367980568.

It is a balanced prime because it is at equal distance from previous prime (865089733) and next prime (865089793).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-865089763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 865089763.

It is not a weakly prime, because it can be changed into another prime (865089733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432544881 + 432544882.

It is an arithmetic number, because the mean of its divisors is an integer number (432544882).

Almost surely, 2^865089763 is an apocalyptic number.

865089763 is a deficient number, since it is larger than the sum of its proper divisors (1).

865089763 is an equidigital number, since it uses as much as digits as its factorization.

865089763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 865089763 is about 29412.4083168992. The cubic root of 865089763 is about 952.8409006573.

The spelling of 865089763 in words is "eight hundred sixty-five million, eighty-nine thousand, seven hundred sixty-three".