9877225 has 6 divisors (see below), whose sum is σ = 12247790. Its totient is φ = 7901760.

The previous prime is 9877223. The next prime is 9877237. The reversal of 9877225 is 5227789.

It can be written as a sum of positive squares in 3 ways, for example, as 1879641 + 7997584 = 1371^2 + 2828^2 .

It is not a de Polignac number, because 9877225 - 2¹ = 9877223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9877223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197520 + ... + 197569.

Almost surely, 2^9877225 is an apocalyptic number.

It is an amenable number.

9877225 is a deficient number, since it is larger than the sum of its proper divisors (2370565).

9877225 is a wasteful number, since it uses less digits than its factorization.

9877225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395099 (or 395094 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 9877225 is about 3142.8052755460. The cubic root of 9877225 is about 214.5581334239.

The spelling of 9877225 in words is "nine million, eight hundred seventy-seven thousand, two hundred twenty-five".