85886224069 has 2 divisors, whose sum is σ = 85886224070. Its totient is φ = 85886224068.

The previous prime is 85886224051. The next prime is 85886224133. The reversal of 85886224069 is 96042268858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44295516225 + 41590707844 = 210465^2 + 203938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85886224069 is a prime.

It is a super-2 number, since 2×85886224069² (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 (85886224469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42943112034 + 42943112035.

It is an arithmetic number, because the mean of its divisors is an integer number (42943112035).

Almost surely, 2^85886224069 is an apocalyptic number.

It is an amenable number.

85886224069 is a deficient number, since it is larger than the sum of its proper divisors (1).

85886224069 is an equidigital number, since it uses as much as digits as its factorization.

85886224069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 85886224069 in words is "eighty-five billion, eight hundred eighty-six million, two hundred twenty-four thousand, sixty-nine".