864722363 has 2 divisors, whose sum is σ = 864722364. Its totient is φ = 864722362.

The previous prime is 864722351. The next prime is 864722399. The reversal of 864722363 is 363227468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864722363 - 2⁸ = 864722107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 864722363.

It is not a weakly prime, because it can be changed into another prime (864722333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432361181 + 432361182.

It is an arithmetic number, because the mean of its divisors is an integer number (432361182).

Almost surely, 2^864722363 is an apocalyptic number.

864722363 is a deficient number, since it is larger than the sum of its proper divisors (1).

864722363 is an equidigital number, since it uses as much as digits as its factorization.

864722363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 41.

The square root of 864722363 is about 29406.1619903040. The cubic root of 864722363 is about 952.7059923770.

The spelling of 864722363 in words is "eight hundred sixty-four million, seven hundred twenty-two thousand, three hundred sixty-three".