85529044560 has 80 divisors (see below), whose sum is σ = 265264789824. Its totient is φ = 22797014016.

The previous prime is 85529044453. The next prime is 85529044577. The reversal of 85529044560 is 6544092558.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 433959 + ... + 599481.

Almost surely, 2^85529044560 is an apocalyptic number.

85529044560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85529044560 is an abundant number, since it is smaller than the sum of its proper divisors (179735745264).

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

85529044560 is a wasteful number, since it uses less digits than its factorization.

85529044560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167692 (or 167686 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 85529044560 in words is "eighty-five billion, five hundred twenty-nine million, forty-four thousand, five hundred sixty".