9977453 has 4 divisors (see below), whose sum is σ = 10564380. Its totient is φ = 9390528.

The previous prime is 9977449. The next prime is 9977483. The reversal of 9977453 is 3547799.

It is a happy number.

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 7941124 + 2036329 = 2818^2 + 1427^2 .

It is not a de Polignac number, because 9977453 - 2² = 9977449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977483) 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, 293438 + ... + 293471.

It is an arithmetic number, because the mean of its divisors is an integer number (2641095).

Almost surely, 2^9977453 is an apocalyptic number.

It is an amenable number.

9977453 is a deficient number, since it is larger than the sum of its proper divisors (586927).

9977453 is a wasteful number, since it uses less digits than its factorization.

9977453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586926.

The product of its digits is 238140, while the sum is 44.

The square root of 9977453 is about 3158.7106546817. The cubic root of 9977453 is about 215.2814270269.

The spelling of 9977453 in words is "nine million, nine hundred seventy-seven thousand, four hundred fifty-three".