870085563331 has 2 divisors, whose sum is σ = 870085563332. Its totient is φ = 870085563330.

The previous prime is 870085563313. The next prime is 870085563367. The reversal of 870085563331 is 133365580078.

It is a happy number.

Together with previous prime (870085563313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870085563331 - 2¹¹ = 870085561283 is a prime.

It is a super-2 number, since 2×870085563331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (870085567331) 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, 435042781665 + 435042781666.

It is an arithmetic number, because the mean of its divisors is an integer number (435042781666).

Almost surely, 2^870085563331 is an apocalyptic number.

870085563331 is a deficient number, since it is larger than the sum of its proper divisors (1).

870085563331 is an equidigital number, since it uses as much as digits as its factorization.

870085563331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 870085563331 in words is "eight hundred seventy billion, eighty-five million, five hundred sixty-three thousand, three hundred thirty-one".