8278128 has 30 divisors (see below), whose sum is σ = 23167664. Its totient is φ = 2759328.

The previous prime is 8278111. The next prime is 8278141. The reversal of 8278128 is 8218728.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8278092 and 8278101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28600 + ... + 28887.

Almost surely, 2^8278128 is an apocalyptic number.

It is an amenable number.

8278128 is an abundant number, since it is smaller than the sum of its proper divisors (14889536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8278128 is a wasteful number, since it uses less digits than its factorization.

8278128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57501 (or 57492 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 8278128 is about 2877.1736131141. The cubic root of 8278128 is about 202.2913809441.

It can be divided in two parts, 82 and 78128, that added together give a triangular number (78210 = T₃₉₅).

The spelling of 8278128 in words is "eight million, two hundred seventy-eight thousand, one hundred twenty-eight".