86340878 has 8 divisors (see below), whose sum is σ = 139473768. Its totient is φ = 39849624.

The previous prime is 86340853. The next prime is 86340893. The reversal of 86340878 is 87804368.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660376 + ... + 1660427.

It is an arithmetic number, because the mean of its divisors is an integer number (17434221).

Almost surely, 2^86340878 is an apocalyptic number.

86340878 is a deficient number, since it is larger than the sum of its proper divisors (53132890).

86340878 is a wasteful number, since it uses less digits than its factorization.

86340878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320818.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 86340878 is about 9291.9792294215. The cubic root of 86340878 is about 441.9829201101.

The spelling of 86340878 in words is "eighty-six million, three hundred forty thousand, eight hundred seventy-eight".