862448897 has 2 divisors, whose sum is σ = 862448898. Its totient is φ = 862448896.

The previous prime is 862448869. The next prime is 862448929. The reversal of 862448897 is 798844268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 663526081 + 198922816 = 25759^2 + 14104^2 .

It is a cyclic number.

It is not a de Polignac number, because 862448897 - 2²⁶ = 795340033 is a prime.

It is not a weakly prime, because it can be changed into another prime (862448837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431224448 + 431224449.

It is an arithmetic number, because the mean of its divisors is an integer number (431224449).

Almost surely, 2^862448897 is an apocalyptic number.

It is an amenable number.

862448897 is a deficient number, since it is larger than the sum of its proper divisors (1).

862448897 is an equidigital number, since it uses as much as digits as its factorization.

862448897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 56.

The square root of 862448897 is about 29367.4802630393. The cubic root of 862448897 is about 951.8703308460.

The spelling of 862448897 in words is "eight hundred sixty-two million, four hundred forty-eight thousand, eight hundred ninety-seven".