86078105 has 8 divisors (see below), whose sum is σ = 103416264. Its totient is φ = 68780800.

The previous prime is 86078099. The next prime is 86078107. The reversal of 86078105 is 50187068.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 86062729 = 124^2 + 9277^2 .

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-86078105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86078107) 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, 5366 + ... + 14175.

It is an arithmetic number, because the mean of its divisors is an integer number (12927033).

Almost surely, 2^86078105 is an apocalyptic number.

It is an amenable number.

86078105 is a deficient number, since it is larger than the sum of its proper divisors (17338159).

86078105 is a wasteful number, since it uses less digits than its factorization.

86078105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20427.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 86078105 is about 9277.8286791684. The cubic root of 86078105 is about 441.5340821130.

The spelling of 86078105 in words is "eighty-six million, seventy-eight thousand, one hundred five".