85745771 has 8 divisors (see below), whose sum is σ = 89592480. Its totient is φ = 81908992.

The previous prime is 85745747. The next prime is 85745797. The reversal of 85745771 is 17754758.

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

It is a cyclic number.

It is not a de Polignac number, because 85745771 - 2²⁶ = 18636907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85745171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19361 + ... + 23373.

It is an arithmetic number, because the mean of its divisors is an integer number (11199060).

Almost surely, 2^85745771 is an apocalyptic number.

85745771 is a deficient number, since it is larger than the sum of its proper divisors (3846709).

85745771 is a wasteful number, since it uses less digits than its factorization.

85745771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965.

The product of its digits is 274400, while the sum is 44.

The square root of 85745771 is about 9259.9012413740. The cubic root of 85745771 is about 440.9651180840.

The spelling of 85745771 in words is "eighty-five million, seven hundred forty-five thousand, seven hundred seventy-one".