85535970088 has 8 divisors (see below), whose sum is σ = 160379943930. Its totient is φ = 42767985040.

The previous prime is 85535970077. The next prime is 85535970089. The reversal of 85535970088 is 88007953558.

It can be written as a sum of positive squares in only one way, i.e., 43839146884 + 41696823204 = 209378^2 + 204198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (85535970089) by changing a digit.

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 as a sum of consecutive naturals, namely, 5345998123 + ... + 5345998138.

Almost surely, 2^85535970088 is an apocalyptic number.

It is an amenable number.

85535970088 is a deficient number, since it is larger than the sum of its proper divisors (74843973842).

85535970088 is a wasteful number, since it uses less digits than its factorization.

85535970088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10691996267 (or 10691996263 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 58.

The spelling of 85535970088 in words is "eighty-five billion, five hundred thirty-five million, nine hundred seventy thousand, eighty-eight".