85625247565 has 16 divisors (see below), whose sum is σ = 120713636736. Its totient is φ = 57482683200.

The previous prime is 85625247557. The next prime is 85625247583. The reversal of 85625247565 is 56574252658.

It is not a de Polignac number, because 85625247565 - 2³ = 85625247557 is a prime.

It is a super-3 number, since 3×85625247565³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59877081 + ... + 59878510.

It is an arithmetic number, because the mean of its divisors is an integer number (7544602296).

Almost surely, 2^85625247565 is an apocalyptic number.

It is an amenable number.

85625247565 is a deficient number, since it is larger than the sum of its proper divisors (35088389171).

85625247565 is a wasteful number, since it uses less digits than its factorization.

85625247565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119755620.

The product of its digits is 20160000, while the sum is 55.

The spelling of 85625247565 in words is "eighty-five billion, six hundred twenty-five million, two hundred forty-seven thousand, five hundred sixty-five".