862868273 has 2 divisors, whose sum is σ = 862868274. Its totient is φ = 862868272.

The previous prime is 862868239. The next prime is 862868287. The reversal of 862868273 is 372868268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612216049 + 250652224 = 24743^2 + 15832^2 .

It is a cyclic number.

It is not a de Polignac number, because 862868273 - 2¹⁶ = 862802737 is a prime.

It is not a weakly prime, because it can be changed into another prime (862868203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431434136 + 431434137.

It is an arithmetic number, because the mean of its divisors is an integer number (431434137).

Almost surely, 2^862868273 is an apocalyptic number.

It is an amenable number.

862868273 is a deficient number, since it is larger than the sum of its proper divisors (1).

862868273 is an equidigital number, since it uses as much as digits as its factorization.

862868273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 50.

The square root of 862868273 is about 29374.6195379617. The cubic root of 862868273 is about 952.0245919224.

The spelling of 862868273 in words is "eight hundred sixty-two million, eight hundred sixty-eight thousand, two hundred seventy-three".