28677550 has 48 divisors (see below), whose sum is σ = 60746112. Its totient is φ = 9970400.

The previous prime is 28677547. The next prime is 28677557. The reversal of 28677550 is 5577682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28677557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11517 + ... + 13783.

It is an arithmetic number, because the mean of its divisors is an integer number (1265544).

Almost surely, 2^28677550 is an apocalyptic number.

28677550 is an abundant number, since it is smaller than the sum of its proper divisors (32068562).

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

28677550 is a wasteful number, since it uses less digits than its factorization.

28677550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 28677550 is about 5355.1423883964. The cubic root of 28677550 is about 306.0887364220.

The spelling of 28677550 in words is "twenty-eight million, six hundred seventy-seven thousand, five hundred fifty".