9777272 has 8 divisors (see below), whose sum is σ = 18332400. Its totient is φ = 4888632.

The previous prime is 9777259. The next prime is 9777301. The reversal of 9777272 is 2727779.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611072 + ... + 611087.

It is an arithmetic number, because the mean of its divisors is an integer number (2291550).

Almost surely, 2^9777272 is an apocalyptic number.

It is an amenable number.

9777272 is a deficient number, since it is larger than the sum of its proper divisors (8555128).

9777272 is a wasteful number, since it uses less digits than its factorization.

9777272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222165 (or 1222161 counting only the distinct ones).

The product of its digits is 86436, while the sum is 41.

The square root of 9777272 is about 3126.8629646980. The cubic root of 9777272 is about 213.8319348916.

The spelling of 9777272 in words is "nine million, seven hundred seventy-seven thousand, two hundred seventy-two".