868700003537 has 2 divisors, whose sum is σ = 868700003538. Its totient is φ = 868700003536.

The previous prime is 868700003531. The next prime is 868700003539. The reversal of 868700003537 is 735300007868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702125009041 + 166574994496 = 837929^2 + 408136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868700003537 is a prime.

It is a super-2 number, since 2×868700003537² (a number of 25 digits) contains 22 as substring.

Together with 868700003539, 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 = 868700003491 and 868700003500.

It is not a weakly prime, because it can be changed into another prime (868700003531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434350001768 + 434350001769.

It is an arithmetic number, because the mean of its divisors is an integer number (434350001769).

Almost surely, 2^868700003537 is an apocalyptic number.

It is an amenable number.

868700003537 is a deficient number, since it is larger than the sum of its proper divisors (1).

868700003537 is an equidigital number, since it uses as much as digits as its factorization.

868700003537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 868700003537 in words is "eight hundred sixty-eight billion, seven hundred million, three thousand, five hundred thirty-seven".