85649750 has 16 divisors (see below), whose sum is σ = 160336800. Its totient is φ = 34259800.

The previous prime is 85649747. The next prime is 85649761. The reversal of 85649750 is 5794658.

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, 171050 + ... + 171549.

It is an arithmetic number, because the mean of its divisors is an integer number (10021050).

Almost surely, 2^85649750 is an apocalyptic number.

85649750 is a deficient number, since it is larger than the sum of its proper divisors (74687050).

85649750 is a wasteful number, since it uses less digits than its factorization.

85649750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342616 (or 342606 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 85649750 is about 9254.7150145210. The cubic root of 85649750 is about 440.8004540769.

The spelling of 85649750 in words is "eighty-five million, six hundred forty-nine thousand, seven hundred fifty".