978606883 has 2 divisors, whose sum is σ = 978606884. Its totient is φ = 978606882.

The previous prime is 978606869. The next prime is 978606899. The reversal of 978606883 is 388606879.

978606883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (388606879) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 978606883 - 2⁹ = 978606371 is a prime.

It is not a weakly prime, because it can be changed into another prime (978606803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489303441 + 489303442.

It is an arithmetic number, because the mean of its divisors is an integer number (489303442).

Almost surely, 2^978606883 is an apocalyptic number.

978606883 is a deficient number, since it is larger than the sum of its proper divisors (1).

978606883 is an equidigital number, since it uses as much as digits as its factorization.

978606883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 978606883 is about 31282.6930266561. The cubic root of 978606883 is about 992.8174961496.

The spelling of 978606883 in words is "nine hundred seventy-eight million, six hundred six thousand, eight hundred eighty-three".