9777876 has 12 divisors (see below), whose sum is σ = 22815072. Its totient is φ = 3259288.

The previous prime is 9777871. The next prime is 9777877. The reversal of 9777876 is 6787779.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9777871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407400 + ... + 407423.

It is an arithmetic number, because the mean of its divisors is an integer number (1901256).

Almost surely, 2^9777876 is an apocalyptic number.

It is an amenable number.

9777876 is an abundant number, since it is smaller than the sum of its proper divisors (13037196).

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

9777876 is a wasteful number, since it uses less digits than its factorization.

9777876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814830 (or 814828 counting only the distinct ones).

The product of its digits is 1037232, while the sum is 51.

The square root of 9777876 is about 3126.9595456289. The cubic root of 9777876 is about 213.8363380227.

The spelling of 9777876 in words is "nine million, seven hundred seventy-seven thousand, eight hundred seventy-six".