7800530003 has 16 divisors (see below), whose sum is σ = 9047301120. Its totient is φ = 6587523936.

The previous prime is 7800529999. The next prime is 7800530021. The reversal of 7800530003 is 3000350087.

It is not a de Polignac number, because 7800530003 - 2² = 7800529999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7800530083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114578 + ... + 169496.

It is an arithmetic number, because the mean of its divisors is an integer number (565456320).

Almost surely, 2^7800530003 is an apocalyptic number.

7800530003 is a deficient number, since it is larger than the sum of its proper divisors (1246771117).

7800530003 is a wasteful number, since it uses less digits than its factorization.

7800530003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55226.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 7800530003 is about 88320.6091634336. The cubic root of 7800530003 is about 1983.2374003799.

The spelling of 7800530003 in words is "seven billion, eight hundred million, five hundred thirty thousand, three".