864851411 has 2 divisors, whose sum is σ = 864851412. Its totient is φ = 864851410.

The previous prime is 864851401. The next prime is 864851419. The reversal of 864851411 is 114158468.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864851411 is a prime.

It is not a weakly prime, because it can be changed into another prime (864851419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432425705 + 432425706.

It is an arithmetic number, because the mean of its divisors is an integer number (432425706).

Almost surely, 2^864851411 is an apocalyptic number.

864851411 is a deficient number, since it is larger than the sum of its proper divisors (1).

864851411 is an equidigital number, since it uses as much as digits as its factorization.

864851411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 38.

The square root of 864851411 is about 29408.3561424300. The cubic root of 864851411 is about 952.7533828045.

The spelling of 864851411 in words is "eight hundred sixty-four million, eight hundred fifty-one thousand, four hundred eleven".