7766506828 has 6 divisors (see below), whose sum is σ = 13591386956. Its totient is φ = 3883253412.

The previous prime is 7766506799. The next prime is 7766506829. The reversal of 7766506828 is 8286056677.

It is not an unprimeable number, because it can be changed into a prime (7766506829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970813350 + ... + 970813357.

Almost surely, 2^7766506828 is an apocalyptic number.

It is an amenable number.

7766506828 is a deficient number, since it is larger than the sum of its proper divisors (5824880128).

7766506828 is a wasteful number, since it uses less digits than its factorization.

7766506828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941626711 (or 1941626709 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The square root of 7766506828 is about 88127.7869233081. The cubic root of 7766506828 is about 1980.3498028370.

The spelling of 7766506828 in words is "seven billion, seven hundred sixty-six million, five hundred six thousand, eight hundred twenty-eight".