978988325 has 12 divisors (see below), whose sum is σ = 1387366560. Its totient is φ = 671306160.

The previous prime is 978988321. The next prime is 978988331. The reversal of 978988325 is 523889879.

978988325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 978988325 - 2² = 978988321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978988321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2796935 + ... + 2797284.

It is an arithmetic number, because the mean of its divisors is an integer number (115613880).

Almost surely, 2^978988325 is an apocalyptic number.

It is an amenable number.

978988325 is a deficient number, since it is larger than the sum of its proper divisors (408378235).

978988325 is a wasteful number, since it uses less digits than its factorization.

978988325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594236 (or 5594231 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 59.

The square root of 978988325 is about 31288.7891264587. The cubic root of 978988325 is about 992.9464730674.

The spelling of 978988325 in words is "nine hundred seventy-eight million, nine hundred eighty-eight thousand, three hundred twenty-five".