28478110 has 16 divisors (see below), whose sum is σ = 51335856. Its totient is φ = 11374528.

The previous prime is 28478101. The next prime is 28478113. The reversal of 28478110 is 1187482.

It is a super-2 number, since 2×28478110² = 1622005498344200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28478113) 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 7 ways as a sum of consecutive naturals, for example, 6909 + ... + 10231.

It is an arithmetic number, because the mean of its divisors is an integer number (3208491).

Almost surely, 2^28478110 is an apocalyptic number.

28478110 is a deficient number, since it is larger than the sum of its proper divisors (22857746).

28478110 is a wasteful number, since it uses less digits than its factorization.

28478110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 28478110 is about 5336.4885458511. The cubic root of 28478110 is about 305.3775133700.

The spelling of 28478110 in words is "twenty-eight million, four hundred seventy-eight thousand, one hundred ten".