978914583 has 12 divisors (see below), whose sum is σ = 1414389600. Its totient is φ = 652424256.

The previous prime is 978914557. The next prime is 978914617. The reversal of 978914583 is 385419879.

978914583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 978914583 - 2⁸ = 978914327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978913583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23010 + ... + 49872.

It is an arithmetic number, because the mean of its divisors is an integer number (117865800).

Almost surely, 2^978914583 is an apocalyptic number.

978914583 is a deficient number, since it is larger than the sum of its proper divisors (435475017).

978914583 is a wasteful number, since it uses less digits than its factorization.

978914583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30918 (or 30915 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 978914583 is about 31287.6106949700. The cubic root of 978914583 is about 992.9215413103.

The spelling of 978914583 in words is "nine hundred seventy-eight million, nine hundred fourteen thousand, five hundred eighty-three".