85695667201 has 4 divisors (see below), whose sum is σ = 85697874004. Its totient is φ = 85693460400.

The previous prime is 85695667139. The next prime is 85695667223. The reversal of 85695667201 is 10276659658.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10276659658 = 2 ⋅5138329829.

It can be written as a sum of positive squares in 2 ways, for example, as 17629466176 + 68066201025 = 132776^2 + 260895^2 .

It is a cyclic number.

It is not a de Polignac number, because 85695667201 - 2⁹ = 85695666689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85695661201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044090 + ... + 1123171.

It is an arithmetic number, because the mean of its divisors is an integer number (21424468501).

Almost surely, 2^85695667201 is an apocalyptic number.

It is an amenable number.

85695667201 is a deficient number, since it is larger than the sum of its proper divisors (2206803).

85695667201 is a wasteful number, since it uses less digits than its factorization.

85695667201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206802.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 85695667201 in words is "eighty-five billion, six hundred ninety-five million, six hundred sixty-seven thousand, two hundred one".