868284841 has 2 divisors, whose sum is σ = 868284842. Its totient is φ = 868284840.

The previous prime is 868284817. The next prime is 868284847. The reversal of 868284841 is 148482868.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865595241 + 2689600 = 29421^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 868284841 - 2⁷ = 868284713 is a prime.

It is a super-2 number, since 2×868284841² = 1507837130220790562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (868284847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434142420 + 434142421.

It is an arithmetic number, because the mean of its divisors is an integer number (434142421).

Almost surely, 2^868284841 is an apocalyptic number.

It is an amenable number.

868284841 is a deficient number, since it is larger than the sum of its proper divisors (1).

868284841 is an equidigital number, since it uses as much as digits as its factorization.

868284841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 786432, while the sum is 49.

The square root of 868284841 is about 29466.6733955498. The cubic root of 868284841 is about 954.0125172877.

The spelling of 868284841 in words is "eight hundred sixty-eight million, two hundred eighty-four thousand, eight hundred forty-one".