28788376 has 16 divisors (see below), whose sum is σ = 54089640. Its totient is φ = 14364480.

The previous prime is 28788373. The next prime is 28788377. The reversal of 28788376 is 67388782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28788373) 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 3 ways as a sum of consecutive naturals, for example, 715 + ... + 7621.

Almost surely, 2^28788376 is an apocalyptic number.

It is an amenable number.

28788376 is a deficient number, since it is larger than the sum of its proper divisors (25301264).

28788376 is a wasteful number, since it uses less digits than its factorization.

28788376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434 (or 7430 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 28788376 is about 5365.4800344424. The cubic root of 28788376 is about 306.4825286078.

The spelling of 28788376 in words is "twenty-eight million, seven hundred eighty-eight thousand, three hundred seventy-six".