864162795823 has 2 divisors, whose sum is σ = 864162795824. Its totient is φ = 864162795822.

The previous prime is 864162795803. The next prime is 864162795857. The reversal of 864162795823 is 328597261468.

864162795823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864162795823 - 2⁹ = 864162795311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864162795803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432081397911 + 432081397912.

It is an arithmetic number, because the mean of its divisors is an integer number (432081397912).

Almost surely, 2^864162795823 is an apocalyptic number.

864162795823 is a deficient number, since it is larger than the sum of its proper divisors (1).

864162795823 is an equidigital number, since it uses as much as digits as its factorization.

864162795823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 61.

The spelling of 864162795823 in words is "eight hundred sixty-four billion, one hundred sixty-two million, seven hundred ninety-five thousand, eight hundred twenty-three".