7780773676 has 96 divisors (see below), whose sum is σ = 15716879360. Its totient is φ = 3340756224.

The previous prime is 7780773641. The next prime is 7780773683. The reversal of 7780773676 is 6763770877.

It is a self number, because there is not a number n which added to its sum of digits gives 7780773676.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15976705 + ... + 15977191.

Almost surely, 2^7780773676 is an apocalyptic number.

7780773676 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7780773676 is an abundant number, since it is smaller than the sum of its proper divisors (7936105684).

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

7780773676 is a wasteful number, since it uses less digits than its factorization.

7780773676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 14521248, while the sum is 58.

The square root of 7780773676 is about 88208.6938799119. The cubic root of 7780773676 is about 1981.5616761493.

It can be divided in two parts, 7780 and 773676, that added together give a square (781456 = 884²).

The spelling of 7780773676 in words is "seven billion, seven hundred eighty million, seven hundred seventy-three thousand, six hundred seventy-six".