9620977 has 4 divisors (see below), whose sum is σ = 9663220. Its totient is φ = 9578736.

The previous prime is 9620971. The next prime is 9620993. The reversal of 9620977 is 7790269.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8202496 + 1418481 = 2864^2 + 1191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9620977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9620971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20778 + ... + 21235.

It is an arithmetic number, because the mean of its divisors is an integer number (2415805).

Almost surely, 2^9620977 is an apocalyptic number.

It is an amenable number.

9620977 is a deficient number, since it is larger than the sum of its proper divisors (42243).

9620977 is a wasteful number, since it uses less digits than its factorization.

9620977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42242.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 9620977 is about 3101.7699785767. The cubic root of 9620977 is about 212.6864025320.

The spelling of 9620977 in words is "nine million, six hundred twenty thousand, nine hundred seventy-seven".