28578035 has 8 divisors (see below), whose sum is σ = 34332336. Its totient is φ = 22836640.

The previous prime is 28578031. The next prime is 28578047. The reversal of 28578035 is 53087582.

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

It is not a de Polignac number, because 28578035 - 2² = 28578031 is a prime.

It is a super-2 number, since 2×28578035² = 1633408168922450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28578035.

It is not an unprimeable number, because it can be changed into a prime (28578031) 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, 2612 + ... + 7998.

It is an arithmetic number, because the mean of its divisors is an integer number (4291542).

Almost surely, 2^28578035 is an apocalyptic number.

28578035 is a deficient number, since it is larger than the sum of its proper divisors (5754301).

28578035 is a wasteful number, since it uses less digits than its factorization.

28578035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 28578035 is about 5345.8427773364. The cubic root of 28578035 is about 305.7342695699.

The spelling of 28578035 in words is "twenty-eight million, five hundred seventy-eight thousand, thirty-five".