85898240013 has 4 divisors (see below), whose sum is σ = 114530986688. Its totient is φ = 57265493340.

The previous prime is 85898240011. The next prime is 85898240053. The reversal of 85898240013 is 31004289858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85898240013 - 2¹ = 85898240011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85898240011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14316373333 + ... + 14316373338.

It is an arithmetic number, because the mean of its divisors is an integer number (28632746672).

Almost surely, 2^85898240013 is an apocalyptic number.

It is an amenable number.

85898240013 is a deficient number, since it is larger than the sum of its proper divisors (28632746675).

85898240013 is a wasteful number, since it uses less digits than its factorization.

85898240013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28632746674.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 85898240013 in words is "eighty-five billion, eight hundred ninety-eight million, two hundred forty thousand, thirteen".