8378255 has 8 divisors (see below), whose sum is σ = 10071600. Its totient is φ = 6690816.

The previous prime is 8378239. The next prime is 8378257. The reversal of 8378255 is 5528738.

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

It is a cyclic number.

It is not a de Polignac number, because 8378255 - 2⁴ = 8378239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8378257) 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, 2756 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (1258950).

Almost surely, 2^8378255 is an apocalyptic number.

8378255 is a deficient number, since it is larger than the sum of its proper divisors (1693345).

8378255 is a wasteful number, since it uses less digits than its factorization.

8378255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its digits is 67200, while the sum is 38.

The square root of 8378255 is about 2894.5215494102. The cubic root of 8378255 is about 203.1037107471.

The spelling of 8378255 in words is "eight million, three hundred seventy-eight thousand, two hundred fifty-five".