28788002 has 8 divisors (see below), whose sum is σ = 45454800. Its totient is φ = 13636404.

The previous prime is 28787989. The next prime is 28788007. The reversal of 28788002 is 20088782.

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

It is not an unprimeable number, because it can be changed into a prime (28788007) 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, 378752 + ... + 378827.

It is an arithmetic number, because the mean of its divisors is an integer number (5681850).

Almost surely, 2^28788002 is an apocalyptic number.

28788002 is a deficient number, since it is larger than the sum of its proper divisors (16666798).

28788002 is a wasteful number, since it uses less digits than its factorization.

28788002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757600.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 28788002 is about 5365.4451819024. The cubic root of 28788002 is about 306.4812013944.

The spelling of 28788002 in words is "twenty-eight million, seven hundred eighty-eight thousand, two".