978106158 has 32 divisors (see below), whose sum is σ = 2174891520. Its totient is φ = 325837080.

The previous prime is 978106117. The next prime is 978106183. The reversal of 978106158 is 851601879.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 104091 + ... + 113097.

It is an arithmetic number, because the mean of its divisors is an integer number (67965360).

Almost surely, 2^978106158 is an apocalyptic number.

978106158 is an abundant number, since it is smaller than the sum of its proper divisors (1196785362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

978106158 is a wasteful number, since it uses less digits than its factorization.

978106158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029 (or 11023 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 978106158 is about 31274.6887754299. The cubic root of 978106158 is about 992.6481352066.

The spelling of 978106158 in words is "nine hundred seventy-eight million, one hundred six thousand, one hundred fifty-eight".