978602561084 has 6 divisors (see below), whose sum is σ = 1712554481904. Its totient is φ = 489301280540.

The previous prime is 978602561077. The next prime is 978602561093. The reversal of 978602561084 is 480165206879.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122325320132 + ... + 122325320139.

It is an arithmetic number, because the mean of its divisors is an integer number (285425746984).

Almost surely, 2^978602561084 is an apocalyptic number.

It is an amenable number.

978602561084 is a deficient number, since it is larger than the sum of its proper divisors (733951920820).

978602561084 is a wasteful number, since it uses less digits than its factorization.

978602561084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244650640275 (or 244650640273 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 978602561084 in words is "nine hundred seventy-eight billion, six hundred two million, five hundred sixty-one thousand, eighty-four".