7810648320 has 72 divisors (see below), whose sum is σ = 24945270336. Its totient is φ = 2082838528.

The previous prime is 7810648267. The next prime is 7810648397. The reversal of 7810648320 is 238460187.

It is a super-2 number, since 2×7810648320² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013172 + ... + 1020851.

It is an arithmetic number, because the mean of its divisors is an integer number (346462088).

Almost surely, 2^7810648320 is an apocalyptic number.

It is an amenable number.

7810648320 is an abundant number, since it is smaller than the sum of its proper divisors (17134622016).

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

7810648320 is a wasteful number, since it uses less digits than its factorization.

7810648320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034047 (or 2034033 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 7810648320 is about 88377.8723437038. The cubic root of 7810648320 is about 1984.0945367717.

The spelling of 7810648320 in words is "seven billion, eight hundred ten million, six hundred forty-eight thousand, three hundred twenty".