6778764762 has 96 divisors (see below), whose sum is σ = 17496829440. Its totient is φ = 1730826720.

The previous prime is 6778764737. The next prime is 6778764779. The reversal of 6778764762 is 2674678776.

It is a junction number, because it is equal to n+sod(n) for n = 6778764696 and 6778764705.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173043 + ... + 208569.

It is an arithmetic number, because the mean of its divisors is an integer number (182258640).

Almost surely, 2^6778764762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6778764762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8748414720).

6778764762 is an abundant number, since it is smaller than the sum of its proper divisors (10718064678).

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

6778764762 is a wasteful number, since it uses less digits than its factorization.

6778764762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35616 (or 35609 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 60.

The square root of 6778764762 is about 82333.2542901105. The cubic root of 6778764762 is about 1892.5623133988.

The spelling of 6778764762 in words is "six billion, seven hundred seventy-eight million, seven hundred sixty-four thousand, seven hundred sixty-two".