867763969 has 2 divisors, whose sum is σ = 867763970. Its totient is φ = 867763968.

The previous prime is 867763913. The next prime is 867763993. The reversal of 867763969 is 969367768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865242225 + 2521744 = 29415^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 867763969 - 2¹⁷ = 867632897 is a prime.

It is a super-2 number, since 2×867763969² = 1506028611789265922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (867763909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433881984 + 433881985.

It is an arithmetic number, because the mean of its divisors is an integer number (433881985).

Almost surely, 2^867763969 is an apocalyptic number.

It is an amenable number.

867763969 is a deficient number, since it is larger than the sum of its proper divisors (1).

867763969 is an equidigital number, since it uses as much as digits as its factorization.

867763969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20575296, while the sum is 61.

The square root of 867763969 is about 29457.8337458816. The cubic root of 867763969 is about 953.8217128488.

The spelling of 867763969 in words is "eight hundred sixty-seven million, seven hundred sixty-three thousand, nine hundred sixty-nine".