9996577 has 4 divisors (see below), whose sum is σ = 10036656. Its totient is φ = 9956500.

The previous prime is 9996557. The next prime is 9996583. The reversal of 9996577 is 7756999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9996577 - 2¹⁹ = 9472289 is a prime.

It is a Duffinian number.

9996577 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9996517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19663 + ... + 20164.

It is an arithmetic number, because the mean of its divisors is an integer number (2509164).

Almost surely, 2^9996577 is an apocalyptic number.

It is an amenable number.

9996577 is a deficient number, since it is larger than the sum of its proper divisors (40079).

9996577 is a wasteful number, since it uses less digits than its factorization.

9996577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40078.

The product of its digits is 1071630, while the sum is 52.

The square root of 9996577 is about 3161.7363900237. The cubic root of 9996577 is about 215.4188840980.

The spelling of 9996577 in words is "nine million, nine hundred ninety-six thousand, five hundred seventy-seven".