85036569745 has 8 divisors (see below), whose sum is σ = 102086755560. Its totient is φ = 68000674560.

The previous prime is 85036569701. The next prime is 85036569763. The reversal of 85036569745 is 54796563058.

It can be written as a sum of positive squares in 4 ways, for example, as 1390096656 + 83646473089 = 37284^2 + 289217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85036569745 - 2⁷ = 85036569617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85036569745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3559560 + ... + 3583369.

It is an arithmetic number, because the mean of its divisors is an integer number (12760844445).

Almost surely, 2^85036569745 is an apocalyptic number.

It is an amenable number.

85036569745 is a deficient number, since it is larger than the sum of its proper divisors (17050185815).

85036569745 is a wasteful number, since it uses less digits than its factorization.

85036569745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145315.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 85036569745 in words is "eighty-five billion, thirty-six million, five hundred sixty-nine thousand, seven hundred forty-five".