28876135 has 8 divisors (see below), whose sum is σ = 34713360. Its totient is φ = 23059584.

The previous prime is 28876121. The next prime is 28876151. The reversal of 28876135 is 53167882.

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

It is a cyclic number.

It is not a de Polignac number, because 28876135 - 2⁷ = 28876007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (4339170).

Almost surely, 2^28876135 is an apocalyptic number.

28876135 is a deficient number, since it is larger than the sum of its proper divisors (5837225).

28876135 is an equidigital number, since it uses as much as digits as its factorization.

28876135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337.

The product of its digits is 80640, while the sum is 40.

The square root of 28876135 is about 5373.6519239713. The cubic root of 28876135 is about 306.7936416271.

The spelling of 28876135 in words is "twenty-eight million, eight hundred seventy-six thousand, one hundred thirty-five".