28081925330 has 16 divisors (see below), whose sum is σ = 53207858880. Its totient is φ = 10641571632.

The previous prime is 28081925327. The next prime is 28081925353. The reversal of 28081925330 is 3352918082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73899614 + ... + 73899993.

It is an arithmetic number, because the mean of its divisors is an integer number (3325491180).

Almost surely, 2^28081925330 is an apocalyptic number.

28081925330 is a deficient number, since it is larger than the sum of its proper divisors (25125933550).

28081925330 is a wasteful number, since it uses less digits than its factorization.

28081925330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147799633.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 28081925330 in words is "twenty-eight billion, eighty-one million, nine hundred twenty-five thousand, three hundred thirty".