85303427697 has 10 divisors (see below), whose sum is σ = 127428577298. Its totient is φ = 56868951744.

The previous prime is 85303427647. The next prime is 85303427701. The reversal of 85303427697 is 79672430358.

85303427697 is a `hidden beast` number, since 8 + 530 + 3 + 42 + 7 + 69 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83822409441 + 1481018256 = 289521^2 + 38484^2 .

It is not a de Polignac number, because 85303427697 - 2²⁶ = 85236318833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85303427647) 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 9 ways as a sum of consecutive naturals, for example, 526564288 + ... + 526564449.

Almost surely, 2^85303427697 is an apocalyptic number.

It is an amenable number.

85303427697 is a deficient number, since it is larger than the sum of its proper divisors (42125149601).

85303427697 is a wasteful number, since it uses less digits than its factorization.

85303427697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053128749 (or 1053128740 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 85303427697 in words is "eighty-five billion, three hundred three million, four hundred twenty-seven thousand, six hundred ninety-seven".