28299164225850 has 288 divisors, whose sum is σ = 93016915869696. Its totient is φ = 6259722379200.

The previous prime is 28299164225837. The next prime is 28299164225863. The reversal of 28299164225850 is 5852246199282.

It is a happy number.

28299164225850 is a `hidden beast` number, since 2 + 8 + 2 + 9 + 9 + 1 + 6 + 42 + 2 + 585 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (28299164225837) and next prime (28299164225863).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2730154 + ... + 8003253.

Almost surely, 2^{28299164225850} is an apocalyptic number.

28299164225850 is an abundant number, since it is smaller than the sum of its proper divisors (64717751643846).

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

28299164225850 is a wasteful number, since it uses less digits than its factorization.

28299164225850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733472 (or 10733455 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 28299164225850 in words is "twenty-eight trillion, two hundred ninety-nine billion, one hundred sixty-four million, two hundred twenty-five thousand, eight hundred fifty".