85208109604 has 12 divisors (see below), whose sum is σ = 154256060700. Its totient is φ = 41134949408.

The previous prime is 85208109601. The next prime is 85208109617. The reversal of 85208109604 is 40690180258.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55956848704 + 29251260900 = 236552^2 + 171030^2 .

It is not an unprimeable number, because it can be changed into a prime (85208109601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367276219 + ... + 367276450.

It is an arithmetic number, because the mean of its divisors is an integer number (12854671725).

Almost surely, 2^85208109604 is an apocalyptic number.

It is an amenable number.

85208109604 is a deficient number, since it is larger than the sum of its proper divisors (69047951096).

85208109604 is a wasteful number, since it uses less digits than its factorization.

85208109604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734552702 (or 734552700 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 85208109604 in words is "eighty-five billion, two hundred eight million, one hundred nine thousand, six hundred four".