7855628830 has 16 divisors (see below), whose sum is σ = 16160150880. Its totient is φ = 2693358432.

The previous prime is 7855628819. The next prime is 7855628843. The reversal of 7855628830 is 388265587.

It is a super-3 number, since 3×7855628830³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 56111565 + ... + 56111704.

It is an arithmetic number, because the mean of its divisors is an integer number (1010009430).

Almost surely, 2^7855628830 is an apocalyptic number.

7855628830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7855628830 is an abundant number, since it is smaller than the sum of its proper divisors (8304522050).

7855628830 is a wasteful number, since it uses less digits than its factorization.

7855628830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112223283.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The square root of 7855628830 is about 88631.9853664579. The cubic root of 7855628830 is about 1987.8959630898.

The spelling of 7855628830 in words is "seven billion, eight hundred fifty-five million, six hundred twenty-eight thousand, eight hundred thirty".