867158883991 has 2 divisors, whose sum is σ = 867158883992. Its totient is φ = 867158883990.

The previous prime is 867158883971. The next prime is 867158884001. The reversal of 867158883991 is 199388851768.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-867158883991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867158883931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433579441995 + 433579441996.

It is an arithmetic number, because the mean of its divisors is an integer number (433579441996).

Almost surely, 2^867158883991 is an apocalyptic number.

867158883991 is a deficient number, since it is larger than the sum of its proper divisors (1).

867158883991 is an equidigital number, since it uses as much as digits as its factorization.

867158883991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209018880, while the sum is 73.

The spelling of 867158883991 in words is "eight hundred sixty-seven billion, one hundred fifty-eight million, eight hundred eighty-three thousand, nine hundred ninety-one".