9777652 has 24 divisors (see below), whose sum is σ = 18466056. Its totient is φ = 4512768.

The previous prime is 9777637. The next prime is 9777653. The reversal of 9777652 is 2567779.

It is a happy number.

9777652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6832996 + 2944656 = 2614^2 + 1716^2 .

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9777599 and 9777608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9777653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248 + ... + 4960.

It is an arithmetic number, because the mean of its divisors is an integer number (769419).

Almost surely, 2^9777652 is an apocalyptic number.

It is an amenable number.

9777652 is a deficient number, since it is larger than the sum of its proper divisors (8688404).

9777652 is a wasteful number, since it uses less digits than its factorization.

9777652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787 (or 2785 counting only the distinct ones).

The product of its digits is 185220, while the sum is 43.

The square root of 9777652 is about 3126.9237278834. The cubic root of 9777652 is about 213.8347050946.

The spelling of 9777652 in words is "nine million, seven hundred seventy-seven thousand, six hundred fifty-two".