978448118 has 8 divisors (see below), whose sum is σ = 1482803112. Its totient is φ = 484180416.

The previous prime is 978448117. The next prime is 978448169. The reversal of 978448118 is 811844879.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978448117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521580 + ... + 2521967.

It is an arithmetic number, because the mean of its divisors is an integer number (185350389).

Almost surely, 2^978448118 is an apocalyptic number.

978448118 is a deficient number, since it is larger than the sum of its proper divisors (504354994).

978448118 is a wasteful number, since it uses less digits than its factorization.

978448118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043646.

The product of its digits is 516096, while the sum is 50.

The square root of 978448118 is about 31280.1553384890. The cubic root of 978448118 is about 992.7638030895.

The spelling of 978448118 in words is "nine hundred seventy-eight million, four hundred forty-eight thousand, one hundred eighteen".