28677552 has 40 divisors (see below), whose sum is σ = 74392560. Its totient is φ = 9519360.

The previous prime is 28677547. The next prime is 28677557. The reversal of 28677552 is 25577682.

It is an interprime number because it is at equal distance from previous prime (28677547) and next prime (28677557).

It is not an unprimeable number, because it can be changed into a prime (28677557) 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, 11802 + ... + 14022.

It is an arithmetic number, because the mean of its divisors is an integer number (1859814).

Almost surely, 2^28677552 is an apocalyptic number.

It is an amenable number.

28677552 is an abundant number, since it is smaller than the sum of its proper divisors (45715008).

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

28677552 is a wasteful number, since it uses less digits than its factorization.

28677552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2495 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The square root of 28677552 is about 5355.1425751328. The cubic root of 28677552 is about 306.0887435376.

The spelling of 28677552 in words is "twenty-eight million, six hundred seventy-seven thousand, five hundred fifty-two".