7155830828 has 24 divisors (see below), whose sum is σ = 12791928240. Its totient is φ = 3501343040.

The previous prime is 7155830789. The next prime is 7155830833. The reversal of 7155830828 is 8280385517.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39083 + ... + 125853.

It is an arithmetic number, because the mean of its divisors is an integer number (532997010).

Almost surely, 2^7155830828 is an apocalyptic number.

It is an amenable number.

7155830828 is a deficient number, since it is larger than the sum of its proper divisors (5636097412).

7155830828 is a wasteful number, since it uses less digits than its factorization.

7155830828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87217 (or 87215 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 7155830828 is about 84592.1440087671. The cubic root of 7155830828 is about 1927.0220684445.

The spelling of 7155830828 in words is "seven billion, one hundred fifty-five million, eight hundred thirty thousand, eight hundred twenty-eight".