7780810480 has 40 divisors (see below), whose sum is σ = 18345191904. Its totient is φ = 3068486400.

The previous prime is 7780810391. The next prime is 7780810481. The reversal of 7780810480 is 840180877.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7780810481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679251 + ... + 690610.

Almost surely, 2^7780810480 is an apocalyptic number.

It is an amenable number.

7780810480 is an abundant number, since it is smaller than the sum of its proper divisors (10564381424).

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

7780810480 is a wasteful number, since it uses less digits than its factorization.

7780810480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369945 (or 1369939 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 43.

The square root of 7780810480 is about 88208.9024985574. The cubic root of 7780810480 is about 1981.5648004864.

It can be divided in two parts, 77808 and 10480, that added together give a palindrome (88288).

The spelling of 7780810480 in words is "seven billion, seven hundred eighty million, eight hundred ten thousand, four hundred eighty".