85581060 has 48 divisors (see below), whose sum is σ = 253725696. Its totient is φ = 21478912.

The previous prime is 85581047. The next prime is 85581071. The reversal of 85581060 is 6018558.

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, 40932 + ... + 42971.

It is an arithmetic number, because the mean of its divisors is an integer number (5285952).

Almost surely, 2^85581060 is an apocalyptic number.

It is an amenable number.

85581060 is an abundant number, since it is smaller than the sum of its proper divisors (168144636).

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

85581060 is a wasteful number, since it uses less digits than its factorization.

85581060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83932 (or 83930 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 85581060 is about 9251.0031888439. The cubic root of 85581060 is about 440.6825837926.

The spelling of 85581060 in words is "eighty-five million, five hundred eighty-one thousand, sixty".