28033078 has 8 divisors (see below), whose sum is σ = 42843168. Its totient is φ = 13752024.

The previous prime is 28033073. The next prime is 28033079. The reversal of 28033078 is 87033082.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28033073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132126 + ... + 132337.

It is an arithmetic number, because the mean of its divisors is an integer number (5355396).

Almost surely, 2^28033078 is an apocalyptic number.

28033078 is a deficient number, since it is larger than the sum of its proper divisors (14810090).

28033078 is a wasteful number, since it uses less digits than its factorization.

28033078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264518.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28033078 is about 5294.6272767778. The cubic root of 28033078 is about 303.7784266666.

The spelling of 28033078 in words is "twenty-eight million, thirty-three thousand, seventy-eight".