85687441 has 16 divisors (see below), whose sum is σ = 101449728. Its totient is φ = 70822800.

The previous prime is 85687423. The next prime is 85687471. The reversal of 85687441 is 14478658.

It is a cyclic number.

It is not a de Polignac number, because 85687441 - 2⁵ = 85687409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85687471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82596 + ... + 83626.

It is an arithmetic number, because the mean of its divisors is an integer number (6340608).

Almost surely, 2^85687441 is an apocalyptic number.

It is an amenable number.

85687441 is a deficient number, since it is larger than the sum of its proper divisors (15762287).

85687441 is a wasteful number, since it uses less digits than its factorization.

85687441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its digits is 215040, while the sum is 43.

The square root of 85687441 is about 9256.7511039241. The cubic root of 85687441 is about 440.8651040941.

The spelling of 85687441 in words is "eighty-five million, six hundred eighty-seven thousand, four hundred forty-one".