28758102 has 32 divisors (see below), whose sum is σ = 59409504. Its totient is φ = 9273600.

The previous prime is 28758091. The next prime is 28758109. The reversal of 28758102 is 20185782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28758109) 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 15 ways as a sum of consecutive naturals, for example, 62152 + ... + 62612.

It is an arithmetic number, because the mean of its divisors is an integer number (1856547).

Almost surely, 2^28758102 is an apocalyptic number.

28758102 is an abundant number, since it is smaller than the sum of its proper divisors (30651402).

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

28758102 is a wasteful number, since it uses less digits than its factorization.

28758102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 28758102 is about 5362.6581095572. The cubic root of 28758102 is about 306.3750580742.

The spelling of 28758102 in words is "twenty-eight million, seven hundred fifty-eight thousand, one hundred two".