85822787 has 8 divisors (see below), whose sum is σ = 89507712. Its totient is φ = 82195200.

The previous prime is 85822769. The next prime is 85822823. The reversal of 85822787 is 78722858.

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 85822787 - 2¹⁶ = 85757251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85822727) 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 7 ways as a sum of consecutive naturals, for example, 11264 + ... + 17277.

It is an arithmetic number, because the mean of its divisors is an integer number (11188464).

Almost surely, 2^85822787 is an apocalyptic number.

85822787 is a deficient number, since it is larger than the sum of its proper divisors (3684925).

85822787 is a wasteful number, since it uses less digits than its factorization.

85822787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28669.

The product of its digits is 501760, while the sum is 47.

The square root of 85822787 is about 9264.0588836643. The cubic root of 85822787 is about 441.0971020730.

The spelling of 85822787 in words is "eighty-five million, eight hundred twenty-two thousand, seven hundred eighty-seven".