28530790370 has 16 divisors (see below), whose sum is σ = 51471357120. Its totient is φ = 11386552944.

The previous prime is 28530790369. The next prime is 28530790399. The reversal of 28530790370 is 7309703582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215750 + ... + 3224609.

It is an arithmetic number, because the mean of its divisors is an integer number (3216959820).

Almost surely, 2^28530790370 is an apocalyptic number.

28530790370 is a deficient number, since it is larger than the sum of its proper divisors (22940566750).

28530790370 is a wasteful number, since it uses less digits than its factorization.

28530790370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440809.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 28530790370 in words is "twenty-eight billion, five hundred thirty million, seven hundred ninety thousand, three hundred seventy".