85566085753 has 16 divisors (see below), whose sum is σ = 89403690816. Its totient is φ = 81829198080.

The previous prime is 85566085751. The next prime is 85566085769. The reversal of 85566085753 is 35758066558.

It is a cyclic number.

It is not a de Polignac number, because 85566085753 - 2¹ = 85566085751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85566085751) 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, 330558 + ... + 529528.

It is an arithmetic number, because the mean of its divisors is an integer number (5587730676).

Almost surely, 2^85566085753 is an apocalyptic number.

It is an amenable number.

85566085753 is a deficient number, since it is larger than the sum of its proper divisors (3837605063).

85566085753 is a wasteful number, since it uses less digits than its factorization.

85566085753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199224.

The product of its (nonzero) digits is 30240000, while the sum is 58.

The spelling of 85566085753 in words is "eighty-five billion, five hundred sixty-six million, eighty-five thousand, seven hundred fifty-three".