86618273 has 8 divisors (see below), whose sum is σ = 102406080. Its totient is φ = 71683920.

The previous prime is 86618263. The next prime is 86618303. The reversal of 86618273 is 37281668.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-86618273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86618273.

It is not an unprimeable number, because it can be changed into a prime (86618263) 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 7 ways as a sum of consecutive naturals, for example, 213143 + ... + 213548.

It is an arithmetic number, because the mean of its divisors is an integer number (12800760).

Almost surely, 2^86618273 is an apocalyptic number.

It is an amenable number.

86618273 is a deficient number, since it is larger than the sum of its proper divisors (15787807).

86618273 is a wasteful number, since it uses less digits than its factorization.

86618273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426727.

The product of its digits is 96768, while the sum is 41.

The square root of 86618273 is about 9306.8938427383. The cubic root of 86618273 is about 442.4557466890.

The spelling of 86618273 in words is "eighty-six million, six hundred eighteen thousand, two hundred seventy-three".