7810007680 has 32 divisors (see below), whose sum is σ = 18670801140. Its totient is φ = 3124002816.

The previous prime is 7810007663. The next prime is 7810007687. The reversal of 7810007680 is 867000187.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7804662336 + 5345344 = 88344^2 + 2312^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (7810007687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6100929 + ... + 6102208.

Almost surely, 2^7810007680 is an apocalyptic number.

It is an amenable number.

7810007680 is an abundant number, since it is smaller than the sum of its proper divisors (10860793460).

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

7810007680 is a wasteful number, since it uses less digits than its factorization.

7810007680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203156 (or 12203144 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 7810007680 is about 88374.2478327256. The cubic root of 7810007680 is about 1984.0402892443.

The spelling of 7810007680 in words is "seven billion, eight hundred ten million, seven thousand, six hundred eighty".