85545670 has 24 divisors (see below), whose sum is σ = 179123184. Its totient is φ = 29329776.

The previous prime is 85545661. The next prime is 85545697. The reversal of 85545670 is 7654558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86802 + ... + 87781.

It is an arithmetic number, because the mean of its divisors is an integer number (7463466).

Almost surely, 2^85545670 is an apocalyptic number.

85545670 is an abundant number, since it is smaller than the sum of its proper divisors (93577514).

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

85545670 is a wasteful number, since it uses less digits than its factorization.

85545670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174604 (or 174597 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 85545670 is about 9249.0902255303. The cubic root of 85545670 is about 440.6218308375.

The spelling of 85545670 in words is "eighty-five million, five hundred forty-five thousand, six hundred seventy".