8120878 has 8 divisors (see below), whose sum is σ = 12387960. Its totient is φ = 3991560.

The previous prime is 8120873. The next prime is 8120887. The reversal of 8120878 is 8780218.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34293 + ... + 34528.

It is an arithmetic number, because the mean of its divisors is an integer number (1548495).

Almost surely, 2^8120878 is an apocalyptic number.

8120878 is a deficient number, since it is larger than the sum of its proper divisors (4267082).

8120878 is a wasteful number, since it uses less digits than its factorization.

8120878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68882.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 8120878 is about 2849.7154243889. The cubic root of 8120878 is about 201.0022853960.

It can be divided in two parts, 8120 and 878, that added together give a palindrome (8998).

The spelling of 8120878 in words is "eight million, one hundred twenty thousand, eight hundred seventy-eight".