78842190576 has 20 divisors (see below), whose sum is σ = 203675659112. Its totient is φ = 26280730176.

The previous prime is 78842190551. The next prime is 78842190607. The reversal of 78842190576 is 67509124887.

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 in 3 ways as a sum of consecutive naturals, for example, 821272771 + ... + 821272866.

Almost surely, 2^78842190576 is an apocalyptic number.

It is an amenable number.

78842190576 is an abundant number, since it is smaller than the sum of its proper divisors (124833468536).

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

78842190576 is a wasteful number, since it uses less digits than its factorization.

78842190576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642545648 (or 1642545642 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 78842190576 in words is "seventy-eight billion, eight hundred forty-two million, one hundred ninety thousand, five hundred seventy-six".