996878225 has 48 divisors (see below), whose sum is σ = 1518950400. Its totient is φ = 633718080.

The previous prime is 996878221. The next prime is 996878227. The reversal of 996878225 is 522878699.

It is not a de Polignac number, because 996878225 - 2² = 996878221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (996878221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153086 + ... + 159464.

It is an arithmetic number, because the mean of its divisors is an integer number (31644800).

Almost surely, 2^996878225 is an apocalyptic number.

996878225 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

996878225 is a deficient number, since it is larger than the sum of its proper divisors (522072175).

996878225 is a wasteful number, since it uses less digits than its factorization.

996878225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462 (or 6457 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The square root of 996878225 is about 31573.3784223355. The cubic root of 996878225 is about 998.9583236204.

The spelling of 996878225 in words is "nine hundred ninety-six million, eight hundred seventy-eight thousand, two hundred twenty-five".