86243155 has 8 divisors (see below), whose sum is σ = 103678992. Its totient is φ = 68869728.

The previous prime is 86243117. The next prime is 86243161. The reversal of 86243155 is 55134268.

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 86243155 - 2⁹ = 86242643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86243155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12504 + ... + 18133.

It is an arithmetic number, because the mean of its divisors is an integer number (12959874).

Almost surely, 2^86243155 is an apocalyptic number.

86243155 is a deficient number, since it is larger than the sum of its proper divisors (17435837).

86243155 is a wasteful number, since it uses less digits than its factorization.

86243155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31205.

The product of its digits is 28800, while the sum is 34.

The square root of 86243155 is about 9286.7192807794. The cubic root of 86243155 is about 441.8161076515.

The spelling of 86243155 in words is "eighty-six million, two hundred forty-three thousand, one hundred fifty-five".