85788767 has 4 divisors (see below), whose sum is σ = 85807800. Its totient is φ = 85769736.

The previous prime is 85788761. The next prime is 85788779. The reversal of 85788767 is 76788758.

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

It is a cyclic number.

It is not a de Polignac number, because 85788767 - 2¹⁰ = 85787743 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 (85788761) 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, 1484 + ... + 13182.

It is an arithmetic number, because the mean of its divisors is an integer number (21451950).

Almost surely, 2^85788767 is an apocalyptic number.

85788767 is a deficient number, since it is larger than the sum of its proper divisors (19033).

85788767 is a wasteful number, since it uses less digits than its factorization.

85788767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19032.

The product of its digits is 5268480, while the sum is 56.

The square root of 85788767 is about 9262.2225734432. Note that the first 3 decimals coincide. The cubic root of 85788767 is about 441.0388110014.

Subtracting from 85788767 its reverse (76788758), we obtain a palindrome (9000009).

The spelling of 85788767 in words is "eighty-five million, seven hundred eighty-eight thousand, seven hundred sixty-seven".