8078125 has 28 divisors (see below), whose sum is σ = 11249856. Its totient is φ = 5750000.

The previous prime is 8078113. The next prime is 8078131. The reversal of 8078125 is 5218708.

8078125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8078125 - 2¹¹ = 8076077 is a prime.

It is a super-2 number, since 2×8078125² = 130512207031250, which contains 22 as substring.

It is a Duffinian 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 27 ways as a sum of consecutive naturals, for example, 171852 + ... + 171898.

Almost surely, 2^8078125 is an apocalyptic number.

It is an amenable number.

8078125 is a deficient number, since it is larger than the sum of its proper divisors (3171731).

8078125 is an frugal number, since it uses more digits than its factorization.

8078125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 8078125 is about 2842.2042502255. The cubic root of 8078125 is about 200.6489338139.

It can be divided in two parts, 80 and 78125, that multiplied together give a 4-th power (6250000 = 50⁴).

The spelling of 8078125 in words is "eight million, seventy-eight thousand, one hundred twenty-five".