85845770 has 8 divisors (see below), whose sum is σ = 154522404. Its totient is φ = 34338304.

The previous prime is 85845769. The next prime is 85845787. The reversal of 85845770 is 7754858.

It can be written as a sum of positive squares in 2 ways, for example, as 84290761 + 1555009 = 9181^2 + 1247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4292279 + ... + 4292298.

Almost surely, 2^85845770 is an apocalyptic number.

85845770 is a deficient number, since it is larger than the sum of its proper divisors (68676634).

85845770 is a wasteful number, since it uses less digits than its factorization.

85845770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584584.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 85845770 is about 9265.2992396360. The cubic root of 85845770 is about 441.1364732402.

The spelling of 85845770 in words is "eighty-five million, eight hundred forty-five thousand, seven hundred seventy".