978328142 has 16 divisors (see below), whose sum is σ = 1639948464. Its totient is φ = 433848000.

The previous prime is 978328133. The next prime is 978328151. The reversal of 978328142 is 241823879.

It is an interprime number because it is at equal distance from previous prime (978328133) and next prime (978328151).

It is a junction number, because it is equal to n+sod(n) for n = 978328093 and 978328102.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 541409 + ... + 543212.

It is an arithmetic number, because the mean of its divisors is an integer number (102496779).

Almost surely, 2^978328142 is an apocalyptic number.

978328142 is a deficient number, since it is larger than the sum of its proper divisors (661620322).

978328142 is a wasteful number, since it uses less digits than its factorization.

978328142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084675.

The product of its digits is 193536, while the sum is 44.

The square root of 978328142 is about 31278.2375142846. The cubic root of 978328142 is about 992.7232243075.

The spelling of 978328142 in words is "nine hundred seventy-eight million, three hundred twenty-eight thousand, one hundred forty-two".