28812795 has 64 divisors (see below), whose sum is σ = 53526528. Its totient is φ = 13104000.

The previous prime is 28812793. The next prime is 28812799. The reversal of 28812795 is 59721882.

It is not a de Polignac number, because 28812795 - 2¹ = 28812793 is a prime.

Its product of digits (80640) is a multiple of the sum of its prime divisors (224).

It is not an unprimeable number, because it can be changed into a prime (28812793) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 219880 + ... + 220010.

It is an arithmetic number, because the mean of its divisors is an integer number (836352).

Almost surely, 2^28812795 is an apocalyptic number.

28812795 is a deficient number, since it is larger than the sum of its proper divisors (24713733).

28812795 is a wasteful number, since it uses less digits than its factorization.

28812795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its digits is 80640, while the sum is 42.

The square root of 28812795 is about 5367.7551173652. The cubic root of 28812795 is about 306.5691594275.

The spelling of 28812795 in words is "twenty-eight million, eight hundred twelve thousand, seven hundred ninety-five".