28732703090 has 128 divisors (see below), whose sum is σ = 65962487808. Its totient is φ = 8765936640.

The previous prime is 28732703081. The next prime is 28732703141. The reversal of 28732703090 is 9030723782.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7812332 + ... + 7816008.

It is an arithmetic number, because the mean of its divisors is an integer number (515331936).

Almost surely, 2^28732703090 is an apocalyptic number.

28732703090 is an abundant number, since it is smaller than the sum of its proper divisors (37229784718).

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

28732703090 is a wasteful number, since it uses less digits than its factorization.

28732703090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 28732703090 in words is "twenty-eight billion, seven hundred thirty-two million, seven hundred three thousand, ninety".