86278611 has 8 divisors (see below), whose sum is σ = 118749184. Its totient is φ = 55663560.

The previous prime is 86278607. The next prime is 86278631. The reversal of 86278611 is 11687268.

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

It is not a de Polignac number, because 86278611 - 2² = 86278607 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 86278611.

It is not an unprimeable number, because it can be changed into a prime (86278631) 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, 463771 + ... + 463956.

It is an arithmetic number, because the mean of its divisors is an integer number (14843648).

Almost surely, 2^86278611 is an apocalyptic number.

86278611 is a deficient number, since it is larger than the sum of its proper divisors (32470573).

86278611 is a wasteful number, since it uses less digits than its factorization.

86278611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927761.

The product of its digits is 32256, while the sum is 39.

The square root of 86278611 is about 9288.6280472414. The cubic root of 86278611 is about 441.8766453474.

The spelling of 86278611 in words is "eighty-six million, two hundred seventy-eight thousand, six hundred eleven".