85401727 has 4 divisors (see below), whose sum is σ = 90425376. Its totient is φ = 80378080.

The previous prime is 85401697. The next prime is 85401749. The reversal of 85401727 is 72710458.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85401727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85401692 and 85401701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85401527) 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, 2511799 + ... + 2511832.

It is an arithmetic number, because the mean of its divisors is an integer number (22606344).

Almost surely, 2^85401727 is an apocalyptic number.

85401727 is a deficient number, since it is larger than the sum of its proper divisors (5023649).

85401727 is a wasteful number, since it uses less digits than its factorization.

85401727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023648.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 85401727 is about 9241.3054813700. The cubic root of 85401727 is about 440.3745553760.

The spelling of 85401727 in words is "eighty-five million, four hundred one thousand, seven hundred twenty-seven".