85608044037 has 6 divisors (see below), whose sum is σ = 123656063622. Its totient is φ = 57072029352.

The previous prime is 85608044021. The next prime is 85608044047. The reversal of 85608044037 is 73044080658.

85608044037 is a `hidden beast` number, since 8 + 5 + 608 + 0 + 4 + 4 + 0 + 37 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75190575681 + 10417468356 = 274209^2 + 102066^2 .

It is not a de Polignac number, because 85608044037 - 2⁴ = 85608044021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85608043983 and 85608044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85608044047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4756002438 + ... + 4756002455.

It is an arithmetic number, because the mean of its divisors is an integer number (20609343937).

Almost surely, 2^85608044037 is an apocalyptic number.

It is an amenable number.

85608044037 is a deficient number, since it is larger than the sum of its proper divisors (38048019585).

85608044037 is a wasteful number, since it uses less digits than its factorization.

85608044037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512004899 (or 9512004896 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 85608044037 in words is "eighty-five billion, six hundred eight million, forty-four thousand, thirty-seven".