85202069069 has 8 divisors (see below), whose sum is σ = 92087327640. Its totient is φ = 78364132416.

The previous prime is 85202069053. The next prime is 85202069111. The reversal of 85202069069 is 96096020258.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8165291044 + 77036778025 = 90362^2 + 277555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85202069069 - 2⁴ = 85202069053 is a prime.

It is a super-2 number, since 2×85202069069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85202069039) 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 in 7 ways as a sum of consecutive naturals, for example, 11826734 + ... + 11833935.

It is an arithmetic number, because the mean of its divisors is an integer number (11510915955).

Almost surely, 2^85202069069 is an apocalyptic number.

It is an amenable number.

85202069069 is a deficient number, since it is larger than the sum of its proper divisors (6885258571).

85202069069 is a wasteful number, since it uses less digits than its factorization.

85202069069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23660959.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 85202069069 in words is "eighty-five billion, two hundred two million, sixty-nine thousand, sixty-nine".