9977265 has 12 divisors (see below), whose sum is σ = 17294004. Its totient is φ = 5321184.

The previous prime is 9977251. The next prime is 9977269. The reversal of 9977265 is 5627799.

9977265 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4941729 + 5035536 = 2223^2 + 2244^2 .

It is not a de Polignac number, because 9977265 - 2⁷ = 9977137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 221717 = 9977265 / (9 + 9 + 7 + 7 + 2 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 9977265.

It is not an unprimeable number, because it can be changed into a prime (9977269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110814 + ... + 110903.

It is an arithmetic number, because the mean of its divisors is an integer number (1441167).

Almost surely, 2^9977265 is an apocalyptic number.

It is an amenable number.

9977265 is a deficient number, since it is larger than the sum of its proper divisors (7316739).

9977265 is a wasteful number, since it uses less digits than its factorization.

9977265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221728 (or 221725 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 9977265 is about 3158.6808955638. The cubic root of 9977265 is about 215.2800748728.

The spelling of 9977265 in words is "nine million, nine hundred seventy-seven thousand, two hundred sixty-five".