978541318 has 16 divisors (see below), whose sum is σ = 1555401744. Its totient is φ = 460120320.

The previous prime is 978541313. The next prime is 978541337. The reversal of 978541318 is 813145879.

It is a happy number.

978541318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×978541318² = 1915086222066354248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978541313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34021 + ... + 55807.

It is an arithmetic number, because the mean of its divisors is an integer number (97212609).

Almost surely, 2^978541318 is an apocalyptic number.

978541318 is a deficient number, since it is larger than the sum of its proper divisors (576860426).

978541318 is a wasteful number, since it uses less digits than its factorization.

978541318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23127.

The product of its digits is 241920, while the sum is 46.

The square root of 978541318 is about 31281.6450654373. The cubic root of 978541318 is about 992.7953232921.

The spelling of 978541318 in words is "nine hundred seventy-eight million, five hundred forty-one thousand, three hundred eighteen".