978106882 has 4 divisors (see below), whose sum is σ = 1467160326. Its totient is φ = 489053440.

The previous prime is 978106859. The next prime is 978106931. The reversal of 978106882 is 288601879.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 581340321 + 396766561 = 24111^2 + 19919^2 .

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 as a sum of consecutive naturals, namely, 244526719 + ... + 244526722.

Almost surely, 2^978106882 is an apocalyptic number.

978106882 is a deficient number, since it is larger than the sum of its proper divisors (489053444).

978106882 is a wasteful number, since it uses less digits than its factorization.

978106882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489053443.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 978106882 is about 31274.7003502831. The cubic root of 978106882 is about 992.6483801279.

The spelling of 978106882 in words is "nine hundred seventy-eight million, one hundred six thousand, eight hundred eighty-two".