85871741 has 4 divisors (see below), whose sum is σ = 86037084. Its totient is φ = 85706400.

The previous prime is 85871677. The next prime is 85871749. The reversal of 85871741 is 14717858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20666116 + 65205625 = 4546^2 + 8075^2 .

It is a cyclic number.

It is not a de Polignac number, because 85871741 - 2⁶ = 85871677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85871749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81890 + ... + 82931.

It is an arithmetic number, because the mean of its divisors is an integer number (21509271).

Almost surely, 2^85871741 is an apocalyptic number.

It is an amenable number.

85871741 is a deficient number, since it is larger than the sum of its proper divisors (165343).

85871741 is a wasteful number, since it uses less digits than its factorization.

85871741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165342.

The product of its digits is 62720, while the sum is 41.

The square root of 85871741 is about 9266.7006534149. The cubic root of 85871741 is about 441.1809545629.

The spelling of 85871741 in words is "eighty-five million, eight hundred seventy-one thousand, seven hundred forty-one".