7763628780 has 72 divisors (see below), whose sum is σ = 23609210352. Its totient is φ = 2065067136.

The previous prime is 7763628757. The next prime is 7763628823. The reversal of 7763628780 is 878263677.

7763628780 is a `hidden beast` number, since 7 + 7 + 6 + 3 + 628 + 7 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17139 + ... + 125781.

Almost surely, 2^7763628780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7763628780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11804605176).

7763628780 is an abundant number, since it is smaller than the sum of its proper divisors (15845581572).

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

7763628780 is a wasteful number, since it uses less digits than its factorization.

7763628780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109055 (or 109050 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The square root of 7763628780 is about 88111.4565763159. The cubic root of 7763628780 is about 1980.1051520526.

The spelling of 7763628780 in words is "seven billion, seven hundred sixty-three million, six hundred twenty-eight thousand, seven hundred eighty".