85303697 has 4 divisors (see below), whose sum is σ = 85635876. Its totient is φ = 84971520.

The previous prime is 85303679. The next prime is 85303709. The reversal of 85303697 is 79630358.

It is a Cunningham number, because it is equal to 9236²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83978896 + 1324801 = 9164^2 + 1151^2 .

It is a cyclic number.

It is not a de Polignac number, because 85303697 - 2⁶ = 85303633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85303667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165704 + ... + 166217.

It is an arithmetic number, because the mean of its divisors is an integer number (21408969).

Almost surely, 2^85303697 is an apocalyptic number.

It is an amenable number.

85303697 is a deficient number, since it is larger than the sum of its proper divisors (332179).

85303697 is a wasteful number, since it uses less digits than its factorization.

85303697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332178.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 85303697 is about 9236.0000541360. Note that the first 4 decimals coincide. The cubic root of 85303697 is about 440.2059934217.

The spelling of 85303697 in words is "eighty-five million, three hundred three thousand, six hundred ninety-seven".