85690101 has 16 divisors (see below), whose sum is σ = 132366464. Its totient is φ = 48294144.

The previous prime is 85690097. The next prime is 85690103. The reversal of 85690101 is 10109658.

It is a happy number.

It is not a de Polignac number, because 85690101 - 2² = 85690097 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85690103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26416 + ... + 29481.

It is an arithmetic number, because the mean of its divisors is an integer number (8272904).

Almost surely, 2^85690101 is an apocalyptic number.

It is an amenable number.

85690101 is a deficient number, since it is larger than the sum of its proper divisors (46676363).

85690101 is a wasteful number, since it uses less digits than its factorization.

85690101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55980.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 85690101 is about 9256.8947817289. The cubic root of 85690101 is about 440.8696659802.

Adding to 85690101 its reverse (10109658), we get a palindrome (95799759).

The spelling of 85690101 in words is "eighty-five million, six hundred ninety thousand, one hundred one".