85253496809 has 24 divisors (see below), whose sum is σ = 97943796000. Its totient is φ = 73916713728.

The previous prime is 85253496803. The next prime is 85253496829. The reversal of 85253496809 is 90869435258.

It is not a de Polignac number, because 85253496809 - 2⁸ = 85253496553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85253496803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1403894 + ... + 1463360.

It is an arithmetic number, because the mean of its divisors is an integer number (4080991500).

Almost surely, 2^85253496809 is an apocalyptic number.

It is an amenable number.

85253496809 is a deficient number, since it is larger than the sum of its proper divisors (12690299191).

85253496809 is a wasteful number, since it uses less digits than its factorization.

85253496809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60009 (or 59996 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 85253496809 in words is "eighty-five billion, two hundred fifty-three million, four hundred ninety-six thousand, eight hundred nine".