85969058239 has 2 divisors, whose sum is σ = 85969058240. Its totient is φ = 85969058238.

The previous prime is 85969058209. The next prime is 85969058249. The reversal of 85969058239 is 93285096958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85969058239 - 2¹³ = 85969050047 is a prime.

It is a super-2 number, since 2×85969058239² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85969058209) 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, 42984529119 + 42984529120.

It is an arithmetic number, because the mean of its divisors is an integer number (42984529120).

Almost surely, 2^85969058239 is an apocalyptic number.

85969058239 is a deficient number, since it is larger than the sum of its proper divisors (1).

85969058239 is an equidigital number, since it uses as much as digits as its factorization.

85969058239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41990400, while the sum is 64.

The spelling of 85969058239 in words is "eighty-five billion, nine hundred sixty-nine million, fifty-eight thousand, two hundred thirty-nine".