84358163231 has 2 divisors, whose sum is σ = 84358163232. Its totient is φ = 84358163230.

The previous prime is 84358163177. The next prime is 84358163233. The reversal of 84358163231 is 13236185348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84358163231 - 2⁶ = 84358163167 is a prime.

It is a super-3 number, since 3×84358163231³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 84358163233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84358163233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42179081615 + 42179081616.

It is an arithmetic number, because the mean of its divisors is an integer number (42179081616).

Almost surely, 2^84358163231 is an apocalyptic number.

84358163231 is a deficient number, since it is larger than the sum of its proper divisors (1).

84358163231 is an equidigital number, since it uses as much as digits as its factorization.

84358163231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 44.

The spelling of 84358163231 in words is "eighty-four billion, three hundred fifty-eight million, one hundred sixty-three thousand, two hundred thirty-one".