28866300490 has 16 divisors (see below), whose sum is σ = 51991463520. Its totient is φ = 11539381840.

The previous prime is 28866300481. The next prime is 28866300497. The reversal of 28866300490 is 9400366882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28866300490.

It is not an unprimeable number, because it can be changed into a prime (28866300497) 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, 875296 + ... + 907675.

It is an arithmetic number, because the mean of its divisors is an integer number (3249466470).

Almost surely, 2^28866300490 is an apocalyptic number.

28866300490 is a deficient number, since it is larger than the sum of its proper divisors (23125163030).

28866300490 is a wasteful number, since it uses less digits than its factorization.

28866300490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784597.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 28866300490 in words is "twenty-eight billion, eight hundred sixty-six million, three hundred thousand, four hundred ninety".