978884675 has 12 divisors (see below), whose sum is σ = 1252973376. Its totient is φ = 757845600.

The previous prime is 978884659. The next prime is 978884677. The reversal of 978884675 is 576488879.

It is not a de Polignac number, because 978884675 - 2⁴ = 978884659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (978884677) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 630764 + ... + 632313.

It is an arithmetic number, because the mean of its divisors is an integer number (104414448).

Almost surely, 2^978884675 is an apocalyptic number.

978884675 is a deficient number, since it is larger than the sum of its proper divisors (274088701).

978884675 is a wasteful number, since it uses less digits than its factorization.

978884675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263118 (or 1263113 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 62.

The square root of 978884675 is about 31287.1327385556. The cubic root of 978884675 is about 992.9114292262.

The spelling of 978884675 in words is "nine hundred seventy-eight million, eight hundred eighty-four thousand, six hundred seventy-five".