7148927820 has 48 divisors (see below), whose sum is σ = 20021470560. Its totient is φ = 1905954816.

The previous prime is 7148927801. The next prime is 7148927857. The reversal of 7148927820 is 287298417.

It is a super-2 number, since 2×7148927820² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7148927820.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331116 + ... + 352044.

It is an arithmetic number, because the mean of its divisors is an integer number (417113970).

Almost surely, 2^7148927820 is an apocalyptic number.

It is an amenable number.

7148927820 is an abundant number, since it is smaller than the sum of its proper divisors (12872542740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7148927820 is a wasteful number, since it uses less digits than its factorization.

7148927820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26634 (or 26632 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 7148927820 is about 84551.3324554971. The cubic root of 7148927820 is about 1926.4022229511.

The spelling of 7148927820 in words is "seven billion, one hundred forty-eight million, nine hundred twenty-seven thousand, eight hundred twenty".