863041937 has 2 divisors, whose sum is σ = 863041938. Its totient is φ = 863041936.

The previous prime is 863041931. The next prime is 863041939. The reversal of 863041937 is 739140368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 683508736 + 179533201 = 26144^2 + 13399^2 .

It is a cyclic number.

It is not a de Polignac number, because 863041937 - 2¹² = 863037841 is a prime.

Together with 863041939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 863041894 and 863041903.

It is not a weakly prime, because it can be changed into another prime (863041931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431520968 + 431520969.

It is an arithmetic number, because the mean of its divisors is an integer number (431520969).

Almost surely, 2^863041937 is an apocalyptic number.

It is an amenable number.

863041937 is a deficient number, since it is larger than the sum of its proper divisors (1).

863041937 is an equidigital number, since it uses as much as digits as its factorization.

863041937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 863041937 is about 29377.5754105066. The cubic root of 863041937 is about 952.0884569461.

The spelling of 863041937 in words is "eight hundred sixty-three million, forty-one thousand, nine hundred thirty-seven".