86028769 has 4 divisors (see below), whose sum is σ = 86127300. Its totient is φ = 85930240.

The previous prime is 86028743. The next prime is 86028773. The reversal of 86028769 is 96782068.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42732369 + 43296400 = 6537^2 + 6580^2 .

It is a cyclic number.

It is not a de Polignac number, because 86028769 - 2¹³ = 86020577 is a prime.

It is a super-2 number, since 2×86028769² = 14801898191310722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86028779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47944 + ... + 49705.

It is an arithmetic number, because the mean of its divisors is an integer number (21531825).

Almost surely, 2^86028769 is an apocalyptic number.

It is an amenable number.

86028769 is a deficient number, since it is larger than the sum of its proper divisors (98531).

86028769 is an equidigital number, since it uses as much as digits as its factorization.

86028769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98530.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 86028769 is about 9275.1694863221. The cubic root of 86028769 is about 441.4497103339.

It can be divided in two parts, 8602 and 8769, that added together give a palindrome (17371).

The spelling of 86028769 in words is "eighty-six million, twenty-eight thousand, seven hundred sixty-nine".