28868244804 has 60 divisors (see below), whose sum is σ = 86248343104. Its totient is φ = 8248069296.

The previous prime is 28868244803. The next prime is 28868244829. The reversal of 28868244804 is 40844286882.

28868244804 is a `hidden beast` number, since 2 + 8 + 86 + 82 + 4 + 480 + 4 = 666.

It is a super-3 number, since 3×28868244804³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28868244803) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6361984 + ... + 6366519.

Almost surely, 2^28868244804 is an apocalyptic number.

It is an amenable number.

28868244804 is an abundant number, since it is smaller than the sum of its proper divisors (57380098300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28868244804 is a wasteful number, since it uses less digits than its factorization.

28868244804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12728526 (or 12728515 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 54.

The spelling of 28868244804 in words is "twenty-eight billion, eight hundred sixty-eight million, two hundred forty-four thousand, eight hundred four".