85840114555669 has 2 divisors, whose sum is σ = 85840114555670. Its totient is φ = 85840114555668.

The previous prime is 85840114555631. The next prime is 85840114555673. The reversal of 85840114555669 is 96655541104858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63019305940900 + 22820808614769 = 7938470^2 + 4777113^2 .

It is a cyclic number.

It is not a de Polignac number, because 85840114555669 - 2⁹ = 85840114555157 is a prime.

It is a super-2 number, since 2×85840114555669² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85840114555609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42920057277834 + 42920057277835.

It is an arithmetic number, because the mean of its divisors is an integer number (42920057277835).

Almost surely, 2^{85840114555669} is an apocalyptic number.

It is an amenable number.

85840114555669 is a deficient number, since it is larger than the sum of its proper divisors (1).

85840114555669 is an equidigital number, since it uses as much as digits as its factorization.

85840114555669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360000, while the sum is 67.

The spelling of 85840114555669 in words is "eighty-five trillion, eight hundred forty billion, one hundred fourteen million, five hundred fifty-five thousand, six hundred sixty-nine".