9777042 has 54 divisors (see below), whose sum is σ = 23637159. Its totient is φ = 2918520.

The previous prime is 9777037. The next prime is 9777043. The reversal of 9777042 is 2407779.

9777042 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 only one way, i.e., 4888521 + 4888521 = 2211^2 + 2211^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2211.

It is a junction number, because it is equal to n+sod(n) for n = 9776988 and 9777006.

It is not an unprimeable number, because it can be changed into a prime (9777043) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 145893 + ... + 145959.

Almost surely, 2^9777042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9777042

9777042 is an abundant number, since it is smaller than the sum of its proper divisors (13860117).

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

9777042 is a wasteful number, since it uses less digits than its factorization.

9777042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 9777042 is about 3126.8261864069. The cubic root of 9777042 is about 213.8302581550.

The spelling of 9777042 in words is "nine million, seven hundred seventy-seven thousand, forty-two".