78485792703824 has 20 divisors (see below), whose sum is σ = 165890425488000. Its totient is φ = 35675360319840.

The previous prime is 78485792703817. The next prime is 78485792703833. The reversal of 78485792703824 is 42830729758487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222971001824 + ... + 222971002175.

It is an arithmetic number, because the mean of its divisors is an integer number (8294521274400).

Almost surely, 2^{78485792703824} is an apocalyptic number.

It is an amenable number.

78485792703824 is an abundant number, since it is smaller than the sum of its proper divisors (87404632784176).

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

78485792703824 is a wasteful number, since it uses less digits than its factorization.

78485792703824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445942004018 (or 445942004012 counting only the distinct ones).

The product of its (nonzero) digits is 1517322240, while the sum is 74.

The spelling of 78485792703824 in words is "seventy-eight trillion, four hundred eighty-five billion, seven hundred ninety-two million, seven hundred three thousand, eight hundred twenty-four".