28828077 has 8 divisors (see below), whose sum is σ = 38507040. Its totient is φ = 19183920.

The previous prime is 28828067. The next prime is 28828081. The reversal of 28828077 is 77082882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28828077 - 2¹⁶ = 28762541 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28828057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6702 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (4813380).

Almost surely, 2^28828077 is an apocalyptic number.

It is an amenable number.

28828077 is a deficient number, since it is larger than the sum of its proper divisors (9678963).

28828077 is a wasteful number, since it uses less digits than its factorization.

28828077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17403.

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 28828077 is about 5369.1784287729. The cubic root of 28828077 is about 306.6233501883.

The spelling of 28828077 in words is "twenty-eight million, eight hundred twenty-eight thousand, seventy-seven".