28775376 has 60 divisors (see below), whose sum is σ = 92038752. Its totient is φ = 8221248.

The previous prime is 28775371. The next prime is 28775389. The reversal of 28775376 is 67357782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28775371) 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 11 ways as a sum of consecutive naturals, for example, 13266 + ... + 15281.

Almost surely, 2^28775376 is an apocalyptic number.

It is an amenable number.

28775376 is an abundant number, since it is smaller than the sum of its proper divisors (63263376).

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

28775376 is a wasteful number, since it uses less digits than its factorization.

28775376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28568 (or 28559 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 28775376 is about 5364.2684496584. The cubic root of 28775376 is about 306.4363887729.

The spelling of 28775376 in words is "twenty-eight million, seven hundred seventy-five thousand, three hundred seventy-six".