106878081 has 4 divisors (see below), whose sum is σ = 142504112. Its totient is φ = 71252052.

The previous prime is 106878071. The next prime is 106878119. The reversal of 106878081 is 180878601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 106878081 - 2¹⁴ = 106861697 is a prime.

It is a super-2 number, since 2×106878081² = 22845848396485122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106878001) by changing a digit.

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, 17813011 + ... + 17813016.

It is an arithmetic number, because the mean of its divisors is an integer number (35626028).

Almost surely, 2^106878081 is an apocalyptic number.

It is an amenable number.

106878081 is a deficient number, since it is larger than the sum of its proper divisors (35626031).

106878081 is an equidigital number, since it uses as much as digits as its factorization.

106878081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35626030.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 106878081 is about 10338.1855758155. The cubic root of 106878081 is about 474.5655580836.

The spelling of 106878081 in words is "one hundred six million, eight hundred seventy-eight thousand, eighty-one".