85442747316 has 24 divisors (see below), whose sum is σ = 199494335040. Its totient is φ = 28462640832.

The previous prime is 85442747287. The next prime is 85442747321. The reversal of 85442747316 is 61374724458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2264881 + ... + 2302296.

It is an arithmetic number, because the mean of its divisors is an integer number (8312263960).

Almost surely, 2^85442747316 is an apocalyptic number.

It is an amenable number.

85442747316 is an abundant number, since it is smaller than the sum of its proper divisors (114051587724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85442747316 is a wasteful number, since it uses less digits than its factorization.

85442747316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568743 (or 4568741 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 51.

The spelling of 85442747316 in words is "eighty-five billion, four hundred forty-two million, seven hundred forty-seven thousand, three hundred sixteen".