7827827830 has 16 divisors (see below), whose sum is σ = 14433751584. Its totient is φ = 3054761920.

The previous prime is 7827827807. The next prime is 7827827911. The reversal of 7827827830 is 387287287.

It is a happy number.

It is a super-2 number, since 2×7827827830² (a number of 21 digits) contains 22 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, 9545722 + ... + 9546541.

It is an arithmetic number, because the mean of its divisors is an integer number (902109474).

Almost surely, 2^7827827830 is an apocalyptic number.

7827827830 is a deficient number, since it is larger than the sum of its proper divisors (6605923754).

7827827830 is a wasteful number, since it uses less digits than its factorization.

7827827830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19092311.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The square root of 7827827830 is about 88475.0124611463. The cubic root of 7827827830 is about 1985.5481426056.

The spelling of 7827827830 in words is "seven billion, eight hundred twenty-seven million, eight hundred twenty-seven thousand, eight hundred thirty".