868037311 has 2 divisors, whose sum is σ = 868037312. Its totient is φ = 868037310.

The previous prime is 868037299. The next prime is 868037389. The reversal of 868037311 is 113730868.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868037311 is a prime.

It is a super-3 number, since 3×868037311³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is equal to p_44458552 and since 868037311 and 44458552 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868037011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434018655 + 434018656.

It is an arithmetic number, because the mean of its divisors is an integer number (434018656).

Almost surely, 2^868037311 is an apocalyptic number.

868037311 is a deficient number, since it is larger than the sum of its proper divisors (1).

868037311 is an equidigital number, since it uses as much as digits as its factorization.

868037311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 868037311 is about 29462.4729274377. The cubic root of 868037311 is about 953.9218522775.

The spelling of 868037311 in words is "eight hundred sixty-eight million, thirty-seven thousand, three hundred eleven".