9776897 has 8 divisors (see below), whose sum is σ = 10702440. Its totient is φ = 8876160.

The previous prime is 9776891. The next prime is 9776929. The reversal of 9776897 is 7986779.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2070721 + 7706176 = 1439^2 + 2776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9776897 - 2⁴ = 9776881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9776891) 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, 5372 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (1337805).

Almost surely, 2^9776897 is an apocalyptic number.

It is an amenable number.

9776897 is a deficient number, since it is larger than the sum of its proper divisors (925543).

9776897 is a wasteful number, since it uses less digits than its factorization.

9776897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12403.

The product of its digits is 1333584, while the sum is 53.

The square root of 9776897 is about 3126.8029998706. The cubic root of 9776897 is about 213.8292010684.

The spelling of 9776897 in words is "nine million, seven hundred seventy-six thousand, eight hundred ninety-seven".