978545372442 has 16 divisors (see below), whose sum is σ = 2135008085472. Its totient is φ = 296528900720.

The previous prime is 978545372383. The next prime is 978545372447. The reversal of 978545372442 is 244273545879.

It is not an unprimeable number, because it can be changed into a prime (978545372447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7413222453 + ... + 7413222584.

It is an arithmetic number, because the mean of its divisors is an integer number (133438005342).

Almost surely, 2^978545372442 is an apocalyptic number.

978545372442 is an abundant number, since it is smaller than the sum of its proper divisors (1156462713030).

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

978545372442 is a wasteful number, since it uses less digits than its factorization.

978545372442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14826445053.

The product of its digits is 67737600, while the sum is 60.

The spelling of 978545372442 in words is "nine hundred seventy-eight billion, five hundred forty-five million, three hundred seventy-two thousand, four hundred forty-two".