85147688180 has 48 divisors (see below), whose sum is σ = 193356688896. Its totient is φ = 31373560320.

The previous prime is 85147688161. The next prime is 85147688267. The reversal of 85147688180 is 8188674158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2648216 + ... + 2680175.

It is an arithmetic number, because the mean of its divisors is an integer number (4028264352).

Almost surely, 2^85147688180 is an apocalyptic number.

It is an amenable number.

85147688180 is an abundant number, since it is smaller than the sum of its proper divisors (108209000716).

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

85147688180 is a wasteful number, since it uses less digits than its factorization.

85147688180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328464 (or 5328462 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 56.

The spelling of 85147688180 in words is "eighty-five billion, one hundred forty-seven million, six hundred eighty-eight thousand, one hundred eighty".