28398065230 has 16 divisors (see below), whose sum is σ = 51122087280. Its totient is φ = 11357988352.

The previous prime is 28398065167. The next prime is 28398065231. The reversal of 28398065230 is 3256089382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28398065231) 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, 55315 + ... + 244654.

It is an arithmetic number, because the mean of its divisors is an integer number (3195130455).

Almost surely, 2^28398065230 is an apocalyptic number.

28398065230 is a deficient number, since it is larger than the sum of its proper divisors (22724022050).

28398065230 is a wasteful number, since it uses less digits than its factorization.

28398065230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309443.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 28398065230 in words is "twenty-eight billion, three hundred ninety-eight million, sixty-five thousand, two hundred thirty".