85627783 has 4 divisors (see below), whose sum is σ = 86076288. Its totient is φ = 85179280.

The previous prime is 85627769. The next prime is 85627799. The reversal of 85627783 is 38772658.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38772658 = 2 ⋅19386329.

It is a cyclic number.

It is not a de Polignac number, because 85627783 - 2⁹ = 85627271 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 (85627483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223966 + ... + 224347.

It is an arithmetic number, because the mean of its divisors is an integer number (21519072).

Almost surely, 2^85627783 is an apocalyptic number.

85627783 is a deficient number, since it is larger than the sum of its proper divisors (448505).

85627783 is a wasteful number, since it uses less digits than its factorization.

85627783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448504.

The product of its digits is 564480, while the sum is 46.

The square root of 85627783 is about 9253.5281379591. The cubic root of 85627783 is about 440.7627661229.

The spelling of 85627783 in words is "eighty-five million, six hundred twenty-seven thousand, seven hundred eighty-three".