8978025 has 48 divisors (see below), whose sum is σ = 17360000. Its totient is φ = 4092480.

The previous prime is 8977961. The next prime is 8978059. The reversal of 8978025 is 5208798.

8978025 = 399² + 400² + ... + 448².

It is not a de Polignac number, because 8978025 - 2⁶ = 8977961 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 25551 + ... + 25899.

Almost surely, 2^8978025 is an apocalyptic number.

It is an amenable number.

8978025 is a deficient number, since it is larger than the sum of its proper divisors (8381975).

8978025 is a wasteful number, since it uses less digits than its factorization.

8978025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 8978025 is about 2996.3352616154. The cubic root of 8978025 is about 207.8389486189.

The spelling of 8978025 in words is "eight million, nine hundred seventy-eight thousand, twenty-five".