28730825794 has 16 divisors (see below), whose sum is σ = 49488504480. Its totient is φ = 12372125760.

The previous prime is 28730825759. The next prime is 28730825803. The reversal of 28730825794 is 49752803782.

It is a happy number.

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, 34366599 + ... + 34367434.

It is an arithmetic number, because the mean of its divisors is an integer number (3093031530).

Almost surely, 2^28730825794 is an apocalyptic number.

28730825794 is a deficient number, since it is larger than the sum of its proper divisors (20757678686).

28730825794 is a wasteful number, since it uses less digits than its factorization.

28730825794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68734065.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 28730825794 in words is "twenty-eight billion, seven hundred thirty million, eight hundred twenty-five thousand, seven hundred ninety-four".