7830330387 has 16 divisors (see below), whose sum is σ = 11697399552. Its totient is φ = 4617393120.

The previous prime is 7830330379. The next prime is 7830330421.

It is a happy number.

7830330387 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7830330387 - 2³ = 7830330379 is a prime.

It is a super-2 number, since 2×7830330387² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7830330377) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3205303 + ... + 3207744.

It is an arithmetic number, because the mean of its divisors is an integer number (731087472).

Almost surely, 2^7830330387 is an apocalyptic number.

7830330387 is a deficient number, since it is larger than the sum of its proper divisors (3867069165).

7830330387 is a wasteful number, since it uses less digits than its factorization.

7830330387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413098.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 7830330387 is about 88489.1540642129. The cubic root of 7830330387 is about 1985.7597133453.

The spelling of 7830330387 in words is "seven billion, eight hundred thirty million, three hundred thirty thousand, three hundred eighty-seven".