28768850 has 48 divisors (see below), whose sum is σ = 61469280. Its totient is φ = 9907200.

The previous prime is 28768843. The next prime is 28768889. The reversal of 28768850 is 5886782.

It is a super-3 number, since 3×28768850³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9074 + ... + 11826.

It is an arithmetic number, because the mean of its divisors is an integer number (1280610).

Almost surely, 2^28768850 is an apocalyptic number.

28768850 is an abundant number, since it is smaller than the sum of its proper divisors (32700430).

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

28768850 is a wasteful number, since it uses less digits than its factorization.

28768850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 28768850 is about 5363.6601309181. The cubic root of 28768850 is about 306.4132213366.

The spelling of 28768850 in words is "twenty-eight million, seven hundred sixty-eight thousand, eight hundred fifty".