86242769 has 8 divisors (see below), whose sum is σ = 87155328. Its totient is φ = 85335120.

The previous prime is 86242763. The next prime is 86242771. The reversal of 86242769 is 96724268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86242769 is a prime.

It is a super-3 number, since 3×86242769³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86242763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41534 + ... + 43560.

It is an arithmetic number, because the mean of its divisors is an integer number (10894416).

Almost surely, 2^86242769 is an apocalyptic number.

It is an amenable number.

86242769 is a deficient number, since it is larger than the sum of its proper divisors (912559).

86242769 is a wasteful number, since it uses less digits than its factorization.

86242769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455.

The product of its digits is 290304, while the sum is 44.

The square root of 86242769 is about 9286.6984983900. The cubic root of 86242769 is about 441.8154485025.

The spelling of 86242769 in words is "eighty-six million, two hundred forty-two thousand, seven hundred sixty-nine".