982778442 has 16 divisors (see below), whose sum is σ = 1997779872. Its totient is φ = 322222320.

The previous prime is 982778441. The next prime is 982778443. The reversal of 982778442 is 244877289.

It is an interprime number because it is at equal distance from previous prime (982778441) and next prime (982778443).

It is not an unprimeable number, because it can be changed into a prime (982778441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342228 + ... + 1342959.

It is an arithmetic number, because the mean of its divisors is an integer number (124861242).

Almost surely, 2^982778442 is an apocalyptic number.

982778442 is an abundant number, since it is smaller than the sum of its proper divisors (1015001430).

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

982778442 is a wasteful number, since it uses less digits than its factorization.

982778442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685253.

The product of its digits is 1806336, while the sum is 51.

The square root of 982778442 is about 31349.2973126991. The cubic root of 982778442 is about 994.2262081541.

The spelling of 982778442 in words is "nine hundred eighty-two million, seven hundred seventy-eight thousand, four hundred forty-two".