85004798809 has 8 divisors (see below), whose sum is σ = 97150432320. Its totient is φ = 72859688016.

The previous prime is 85004798789. The next prime is 85004798831. The reversal of 85004798809 is 90889740058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85004798809 - 2³¹ = 82857315161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85004798899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322647 + ... + 523555.

It is an arithmetic number, because the mean of its divisors is an integer number (12143804040).

Almost surely, 2^85004798809 is an apocalyptic number.

It is an amenable number.

85004798809 is a deficient number, since it is larger than the sum of its proper divisors (12145633511).

85004798809 is a wasteful number, since it uses less digits than its factorization.

85004798809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261359.

The product of its (nonzero) digits is 5806080, while the sum is 58.

The spelling of 85004798809 in words is "eighty-five billion, four million, seven hundred ninety-eight thousand, eight hundred nine".