85547789608 has 16 divisors (see below), whose sum is σ = 160409066580. Its totient is φ = 42772038528.

The previous prime is 85547789567. The next prime is 85547789629. The reversal of 85547789608 is 80698774558.

It can be written as a sum of positive squares in 2 ways, for example, as 83404284804 + 2143504804 = 288798^2 + 46298^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25341 + ... + 414412.

Almost surely, 2^85547789608 is an apocalyptic number.

It is an amenable number.

85547789608 is a deficient number, since it is larger than the sum of its proper divisors (74861276972).

85547789608 is a wasteful number, since it uses less digits than its factorization.

85547789608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464076 (or 464072 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 67.

The spelling of 85547789608 in words is "eighty-five billion, five hundred forty-seven million, seven hundred eighty-nine thousand, six hundred eight".